MATHCOUNTS offers fun and engaging programs that get middle school students excited about math. These programs include the MATHCOUNTS Competition Program, the MATHCOUNTS Club Program, and the MATHCOUNTS Reel Math Challenge. Singapore math teaches students mathematical concepts in a three-step learning process: concrete, pictorial, and abstract. This learning process was based on the work of an American psychologist, Jerome Bruner. Online math lessons for kids. Sample Lesson: Click to Play. Grade 5: geometry. Unfortunately, many children never grasp the fundamentals and some even develop math- related anxieties. According to the NAEP's 2. Math in the Media; In Memory Of. Headlines & Deadlines; AMS for Students. Group IV contains U.S. Pre-algebra tutorial software program will help students master the concepts of pre-algebra and build proficiency in problem. Additional titles in the Math Tutor series include SAT/ACT Math, and Learning Business Math. Rice University offers an excellent program in mathematics leading to a Ph.D. Our graduate study program features qualities that set us apart from other mathematics graduate programs in other high. When it comes to math tutoring, personal learning is what we do best! Learn how our math tutors can build your child’s skills and confidence with math help. Study, less than 4/1. Comprehensive and research- based online math enrichment program. K5 Math is a comprehensive award- winning online math curriculum which has been used by tens of thousands of kids. The program includes over 1,2. Our Kindergarten through Grade 5 online math curriculum covers the 5 key skill areas: Numbers and Operations – elementary school arithmetic from simple counting through fractions and beyond. Measurement – measurement concepts, including telling time and counting money. Geometry – characteristics and properties of geometric shapes. Algebra - patterns, relations, functions, use of models and algebraic symbols. Data Analysis - collecting, organizing, displaying and analyzing data. Learning through real- world scenarios. Kids need to understand math in a tangible rather than an abstract way. K5 builds connections between math and kids' own experiences. For example, students learn: subtraction by helping members of a rabbit family jump off a diving board at a swimming poolproblem- solving skills by estimating total costs while shopping at a storeto compare large numbers in the context of distances of planets in the solar system. Free online math assessment. We recommend that your child completes our free online math assessment. Point and click interfaces and repeated spoken instructions allows kids as young as 4 to use K5 Math independently. Courses in Mathematics (2015-2016) Home; About; People; Courses; Undergrad; Graduate; Research; Admin; Events. No single program is ideal for all math concentrators. You should design your curriculum based on your. Lesson sequence is controlled. Our online math lessons are automatically chosen by the system. K5 students cannot choose lessons at an inappropriate level or continue to repeat . Tutorials are followed by practice sessions and finally a quiz. Interactivity enhances the learning experience. Math concepts are introduced through interactive animations, virtual manipulatives and models. Kids don’t just hear instructions on using a balance scale, but can experiment with it by clicking and dragging virtual weights to weigh various items. Feedback is immediate to keep kids engaged. K5 Math lets your child know right away when they get something right or wrong. Kids remember better when they receive immediate feedback. Interactivity + feedback = big advantage. Interactivity and immediate feedback gives K5 Math big advantages over traditional worksheets, workbooks and quizzing software. Computer based learning can decrease math anxiety. Computers are completely patient and impartial. Students learn at their own pace without feeling that they are being judged. In math, it is important to build confidence and avoid anxiety. Bite- sized lessons provide flexibility. College Math Program RankingsLessons are broken into 5- 1. Most kids learn better with more frequent but shorter study sessions. Parents get reports. Parents can access comprehensive reports on their child’s progress at any time. Elementary Mathematics: Top- Rated Programs. Full Report (1 MB) . Contact Brent Farmer, Charlesbridge Publishing, 8. Moderate Evidence. Effectiveness. Rating. Program. Type. Description. Contact / Website. Classworks CAI Supplementary integrated learning system. Website: www. sraonline. Consistency Management & Cooperative Discipline IPProgram that emphasizes classroom management, student engagement. Contact Jerome Freiberg, University of Houston, at cmcd@uh. Project SEED IPSupplementary program that has mathematicians teach advanced topics in math to supplement regular instruction. Website: www. projectseed. Small- Group Tutoring IPProvides tutoring in small groups for struggling first graders. Contact Lynn Fuchs, Vanderbilt University, at lynn. Evidence Rating: See Review Methods for an explanation of Ratings. Strong Evidence of Effectiveness. Moderate Evidence of Effectiveness. MC = Mathematics Curricula, CAI = Computer- Assisted Instruction, IP = Instructional Process Programs.
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See the latest news, reviews and roundups and access our tech archives. Get the latest technology news, articles and op-eds. A look at the innovations and technologies that are shaping the future and changing the world. Find the latest sports news and articles on the NFL, MLB, NBA, NHL, NCAA college football, NCAA college basketball and more at ABC News. Trade in your qualifying cell phones, computers, video games and other electronics online or at a participating Best Buy store. Check out our new Finance experience on AOL.com, where you'll find the latest listings, market news, advice from experts and more. Send friends and family an iTunes Gift Card or Apple Music Gift Card from your iOS device or computer. 4 You can buy gift cards in a range of denominations, and recipients can choose whatever they want, including. A flight simulator is a device that artificially re-creates aircraft flight and the environment in which it flies, for pilot training, design, or other purposes. It includes replicating the equations that govern how aircraft. Find listings of daytime and primetime ABC TV shows, movies and specials. Get links to your favorite show pages. Channel 4 News - the top stories, videos and special reports from the award winning news service. The Record. CSO Information & Announcements Welcome 1. Ls! Fall On- Campus Interviewing Program. Be Sure to Check OCI Interview Schedules for Changes in Rooms, Times, Interviewers, etc. Every year, Berkeley Law students apply. Gonzo on DOJ Hiring: . OCI: Don't Forget to Report Callbacks and Offers! Programming Exploring Careers Programs Began on August 2. Tuesday, August 3. Exploring Careers with the Federal Government. Wednesday, August 3. Equal Justice Works Conference and Career Fair Roundtable. Wednesday, August 3. Government Agency Career Expo. Tuesday, September 6: Environmental Law Networking Event. Brandeis Honors Attorney Program. Through out the course of the program, Honors Attorneys will be given increasingly. THE ATTORNEY GENERAL'S HONORS PROGRAM. If you are selected for an interview for the Honors Program, see Honors Program Interviews for information about. Other Department components participate informally in the Honors Program, subject to availability of funds. They may not follow the regular Honors Program timeline. September 1. 3: Exploring Careers in Legal Aid. September 1. 4: Presidential Management Fellowship Informational Program. September 1. 5: CBA YLS Meet the Committees Night. September 1. 6: Breaking In: How To Become a Law Professor or Law School Administrator. September 2. 8: Exploring Careers in Criminal Defense. July 11, 2011 How Do I Apply to. On the Workshops tab click on the Mock Interview Program 2011 link. Click the RSVP button. September 3. 0: Cook County State's Attorney's Office Minority Law Students Reception. Video on Managing a Legal Career Transition in Tough Times Employment Opportunities. Presidential Management Fellowship: Application Period September 1. DOJ Attorney General's Honors Program Application Opened July 2. Equal Justice Works Public Defender Corps - Applications Now Open. AFL- CIO Lawyers Coordinating Committee - Minority Outreach Program. Fellowships & Scholarships. Sidley Austin Diversity & Inclusion Scholarship. Job Fairs Equal Justice Works Conference and Career Fair: Register and Apply with Employers Now through September 1. Registration Now Open for the Hispanic National Bar Association Career Fair. Job Fairs: Don't Forget to Report Callbacks and Offers! Diversity. Sidley Austin Diversity & Inclusion Scholarship. Registration Now Open for the Hispanic National Bar Association Career Fair. AFL- CIO Lawyers Coordinating Committee - Minority Outreach Program. September 3. 0: Cook County State's Attorney's Office Minority Law Students Reception. Resources. Updated Vermont Guide to State Judicial Clerkships. Government Honors & Internship Handbook. Lexis. Nexis ASPIRE Program for Deferred Law Firm Hires and Law Students Engaged in Public Interest Work Web Access for Policy, Political and Human Rights Jobs Access the BYU Intercollegiate Job Bank. Password Protected Sites Now Available on Symplicity Law Bulletin Weekly On- line Employment Bulletin Career Advisor Network International Career Employment Weekly Online. PSLaw. Net Fellowship Corner. PSLaw. Net CSO Information & Announcements Welcome 1. Ls! Welcome to your first year at Chicago- Kent! We look forward to assisting you in reaching your career goals. According to guidelines adopted by the National Association of Legal Professionals (NALP), to which Chicago- Kent College of Law, as well as all other ABA- accredited law schools subscribe, 1. Ls can not come into the career services office until November 1st and cannot send resumes out until December 1st. However, there are still many things you can do to to start planning for your future career. Attend the many informational panels and career development workshops the CSO offers during the fall semester to start considering your career interests and options. Check our Record page often for updated information on upcoming programs. Also, research various career paths and talk to attorneys and upperclassmen to come up with a list of pratice areas and practice settings that interest you. Give some real thought to what brought you to law school. Finally, attend the mandatory orientation and resume and cover letter writing workshops in October to learn how to prepare the materials you'll need for your job search. We hope you have a great first semester, and look forward to seeing you in November! Mandatory Meetings for Rising 2. Ls and 3. Ls. Each rising 2. L and 3. L student is required to meet with his or her assigned career adviser by October 1. For those of you planning on participating in Fall Recruiting, interested in a federal court clerkship, applying to larger federal government agencies with early deadlines (e. Given the difficult market it is more important than ever that you work with your career adviser to formulate a comprehensive strategy to accomplish your career goals and if necessary to adjust them to accommodate a longer- term plan for your success. Before attending your career strategy session with your counselor, we recommend conducting some self- analysis regarding the types of law that interest you, the types of settings in which you would like to practice, etc. In addition please plan on bringing your most recent resume with you. Fall Resume Book Sign Ups Continue. Fall Resume Books became available on Monday, August 2. Ls, 3. Ls and Recent Graduates. Employers will be notified that resume books are available on September 2nd, but as employers may request a resume book at any time, students are encouraged to opt- in to desired resume books as soon as possible. Even if you have secured employment for this fall, keep in mind that fall resume books may be used by employers for hiring for Spring or Summer 2. As a reminder, a Resume Book is exactly what it sounds like, a collection of resumes that can be distributed to employers on request. Our resume books will collect the resumes of students and recent graduates in a particular class (e. Ls) with similar interests (e. These books can also be used when an employer calls up our office looking for a particular type of student to clerk for them (“We are looking for a 3. L interested in litigation who has worked as a 7. L Litigation Resume Book for students who have been 7. For more information about Resume Books, click here. Listserv Registration and Testing. We recently tested the various Career Services listservs. If you have signed up for a listserv and did not receive a “test” email for that listserv, please contact Kentcso@kentlaw. The Career Services Office is pleased to announce that videos of our programming are now available to be viewed online. Most of our programming will be available on our website within 1- 2 days of the original program date and will remain available for viewing for 2- 3 weeks, due to limited server space. Program videotapes will still be available in our office. A password is required to view these programs. Please call our office at 3. To watch videos of our programming, go to the CSO's web page, click on the right hand navigation bar . It is your responsibility to check on Symplicity. Don't Forget to Report Callbacks and Offers! If you receive callbacks/offers during the fall interview season, please report this to our office by sending an email to kentcso@kentlaw. Department of Justice (DOJ) and last though October. The Series will be as follows: August 2. Exploring Careers with the U. S. Department of Justice (DOJ)August 3. Exploring Careers in the Federal Government. September 1. 3: Exploring Careers in Legal Aid. September 2. 0: Exploring Careers in State and County Government. September 2. 1: Exploring Careers in Prosecution. September 2. 8: Exploring Careers in Criminal Defense. October 5: Exploring Careers in Small & Mid- sized Firms. Details on the programs will be included in the Record as the program dates draw closer, so please read the Record regularly! Tuesday, August 3. Exploring Careers with the Federal Government. Date: Tuesday, August 3. Time: 1. 2: 0. 0pm (Noon)Location: Room 3. This panel will feature a panel of 4 Chicago- Kent alumni who recently navigated the federal hiring process to find jobs working in the federal government. The program will be held on Tuesday, August 3. Room 3. 70. Featuring: Matthew Towey (’0. U. S. Department of Housing and Urban Development. Meghan Paulas (’0. U. S. Social Security Administration. Joseph Silvia (’0. U. S. Federal Reserve Bank. Seth Wainer (’1. 0), U. S. Department of Health & Human Services. For those unable to attend, the program will available for viewing on the Career Services Office videos page. The username and password to view videos online is available in the “Documents Library” in Symplicity. Wednesday, August 3. Equal Justice Works Conference and Career Fair Roundtable. Date: Wednesday, August 3. Time: 3pm. Location: Room 1. Join us for a discussion on August 3. Room 1. 70 about the Equal Justice Works Conference & Career Fair, which will be held on October 2. Washington DC. This is a great opportunity for 2. Ls, 3. Ls and 4. Ls to interview for internships and attorney positions with a wide variety of legal aid, government and policy organizations throughout the United States. Please note that 1. Ls are welcome to attend the conference and participate in the table talk with employers, but they cannot interview. During this round table discussion, we will talk about how best to prepare for the career fair, answer any questions that may arise and provide more detail on the Chicago- Kent Alumni Public Service Reception which will be held on Friday, October 2. Fado Irish Pub in Washington DC. Students can register and find out more information about the EJW Career Fair Online. Registration for those seeking interviews at the Career Fair close on September 1. Wednesday, August 3. Government Agency Career Expo. Meet prospective employers from local, state and federal government agencies through one- on- one interaction from 4: 3. Chicago Bar Association located at 3. S. Employers demonstrate their distinctive qualities and highlight the work being done on behalf of county and state residents. Students may ask questions about opportunities and learn how to market themselves to government employers. Participating agencies confirmed thus far include: U. S. Department of Justice (DOJ)Chicago Transit Authority, Office of the General Counsel (CTA)Chicago Public Schools. U. S. Department of Housing and Urban Development (HUD)U. S. Department of Education, Office for Civil Rights. U. S. Environmental Protection Agency (EPA)Illinois Commerce Commission. U. S. Equal Employment Opportunity Commission (EEOC)U. S. Marine Corps, JAG Office of the Illinois Attorney General. Office 2. 01. 0 Install Error 1. Setup Cannot Open Registry Key. Deleting Grooveex. I encountered recently during Office 2. Windows 7. This post will focus on the Install Error 1.
Office 2. 01. 0 setup cannot open the registry key named Unknown/Component/. Fixing this problem requires a cup of coffee and patience. Microsoft Security Bulletin MS07-049. If you find this key under “HKEY. Microsoft\Windows\CurrentVersion\Installer. You need to uninstall the Symantec Ghost 7.5 or Symantec Ghost 8.2 Console Client. Windows\CurrentVersion\Installer\UserData\S-1-5-18. Microsoft\Windows\CurrentVersion\Installer\UserData\S-1-5-18. This error is only shown when registry keys do not have Administrator permission. But you are logged in as Administrator, right? As it happens some setup can mess up the registry permissions and Office 2. Entering the following line in Command Prompt will fix the problem for most people,secedit /configure /cfg %windir%\inf\defltbase. It will install to Program Files folder, copy SUBINACL. EXE file to /Windows/System 3. Now create a new notepad and paste the following code in it; subinacl /subkeyreg HKEY. Run this file as administrator. The process will now take several minutes, do NOT close the Window what may come. Once the process is complete, the command line window will automatically close and you can then install Office 2. Update: Mike in the comments below has shared a method that worked for him and many others, the method is as follows: I was able to get the install working with Win. When you get the error: . How to Write a Status Report - with a Sample Template. Thinking of how to write a status report? Looking for the world's most simple status report template? You could of course start using a simple status report tool like Weekdone, but the basics apply also for other methods. Let me share a secret: while there are tens of different uses of a weekly status report, there is one key thing in common for all of them. Let's look at how to create a weekly status report for your own use, be it personal, team or company.
You can use it to report to your boss, or vice versa, get an employee report back from your team members. Use it regularly on specific intervals – be it weekly or monthly –. Because of that any status report is built out of three categories: Progress: the past, what has been achieved already. Plans: the future, what are the goals, objectives and plans. A template for a 1-2 page report summarizing an individual team member's project status and work progress. Update employers, coworkers and clients about the status of current projects by using the project status update email template. You can request and update status reports by using the Status Reports page in Project Web App. Status reports are forms that team members use to provide specified information about the current status of their work. Team Status Status Report Template Ppt Report Template Templates Ppt Free Project Status Free Download. Daily Status Update Template Free Download . Project Status Report Template. Problems: what challenges have been encountered. That's it. That's the foundation for the world's simplest status report on which all variations are based on. You can call the sections differently: Done, To- do, Challenges or Last Week, Next Week, Open issues – it's still the same. You can always add additional categories to Progress, Plans and Problems. In sales you could add a section for key leads and customer meetings. In marketing a section to describe specific campaigns and events. In development you could list proposed feature ideas and customer feedback. Sample status report template. So you think you need a sample template file to download for your status report? What you need are just the 3 words: Progress, Plans and Problems. That's your sample template. Nothing more, nothing less. Add the 3 words of PPP as headings, and under each list by bullet points the items. Use whatever tool you're comfortable with: e- mail, Google Docs, Excel or a specialized nifty tool like Weekdone status reports. Have a look at an. The nifty part of Weekdone is how it has compiled personal single person reports into a company report. While adding a nice visual team dashboard and weekly progress charts, the foundation is still the proven PPP status report process. Writing a status reports. The preferred length for a status report you want someone to read is pretty standard as well. No more than 5- 7 items under each category. You're not writing to yourself. Use longer sentences, commentary, background etc. Always think, if your manager or your co- workers will understand and learn something from what you wrote. Good wording is a key to successful status reporting. Another thing common to most good status reporting practices is regularity. We would all go crazy if we would need to write an employee report daily. Quarter or longer on the other hand is too long. So most good reporting practices use either a weekly or monthly paradigm. With world around us spinning faster and faster, for most teams and companies a weekly reporting period is usually the best. It allows you to react quickly and use the max 5- 7 items content length when reporting. So why not implement a status reporting practice in your team already today? Give Weekdone status reports tool a go if you're looking to use world's best practices in weekly reporting and want to learn from the best. Weekly Status Report Template - 9+ Download Free Documents in Word, PDFA weekly Status Report Templates provides a quick summary of the events happening across the seven days of the week. It is one of the best documentation of the actions within a span of time, given that a week is the fundamental period to measure the progress of the firm in achieving its set objectives. Just as for the other reports, a Formal Report Templates must provide a way to put all facts together and have the sum total at the end of the page. So how should such a report look like? Weekly Status Report for Testing Free Download in MS Wordweb. Generate a presentable testing report using this design that displays separate tables for the problem arise, possible solution and project accomplishments that took place throughout the week along with the column for dates. It says all about the quality of the product along with other details like dates, code no, etc. The best way to provide updates about the events conducted during the entire week is creating a weekly status report. The weekly work status report template is readily available on the internet that can be free downloadable in popular word and PDF file format. It features information on the work planned to be completed in the week as well as the actual work done in the week. It consists of columns of every detail, so you just have to add the essential detail in the field and your work is done. The simple and decent outlook makes the content imprinted on the report clearly visible. It is editable, so you can make changes in it as per your need. You can distribute the status report among you teammates, so they can update you on the weekly progress. It displays tables for activities completed, activities in progress, due date, next action, etc. Simple statements such as week one may do, but going further to provide the specific dates to which such a week refers do will be a big step in the right direction. This not only makes the work easier for non- members but also helps in finding specific week information for the members a much easier task to undertake. This allows for the final comment to be a little objective rather than vague in nature. With someone indicating that day one was successful and day there was little success for day three, it makes more meaning to claim that the week was generally smooth. The uses of these designs can be seen in many companies, institutes, etc. Some types of weekly status report template in excel are based on software projects, HR department, employee work progress and many more. Since everything is already available, you just have to follow the steps to create a well- organised and presentable report. Metal Tools Used By Early Man ImagesMetal Tools Used By Early Man EvolutionStone tool - Wikipedia. A stone tool is, in the most general sense, any tool made either partially or entirely out of stone. Stone tools and other artifacts offer evidence about how early. Early Stone Age Tools; Middle Stone. Tools of Hominids By Jenna Mellor. Homo habilis “Handy Man” Homo habilis were the second hominid on Earth. Tools used by early people Ms Wilson. The Northern Early Metal Age. In the Early Metal Age, most of the tools were still made of stone and organic materials. Asbestos was still used as a mixture for the clay mass. The Ancient Tools ClipArt gallery offers 48 illustrations of arrowheads. Chellean Age Chopping tools. Chopping tools used as hand axes in the Chellean age. Three pictures of early stone implements during the Mousterian. Although stone tool- dependent societies and cultures still exist today, most stone tools are associated with prehistoric, particularly Stone Age cultures that have become extinct. Archaeologists often study such prehistoric societies, and refer to the study of stone tools as lithic analysis. Ethnoarchaeology has been a valuable research field in order to further the understanding and cultural implications of stone tool use and manufacture. Stone tools may be made of either ground stone or chipped stone, and a person who creates tools out of the latter is known as a flintknapper. Chipped stone tools are made from cryptocrystalline materials such as chert or flint, radiolarite, chalcedony, obsidian, basalt, and quartzite via a process known as lithic reduction. One simple form of reduction is to strike stone flakes from a nucleus (core) of material using a hammerstone or similar hard hammer fabricator. If the goal of the reduction strategy is to produce flakes, the remnant lithic core may be discarded once it has become too small to use. Substitution as makeshift is when human ingenuity comes into play and a tool is used for its unintended purpose such as a. In some strategies, however, a flintknapper reduces the core to a rough unifacial or bifacialpreform, which is further reduced using soft hammer flaking techniques or by pressure flaking the edges. More complex forms of reduction include the production of highly standardized blades, which can then be fashioned into a variety of tools such as scrapers, knives, sickles and microliths. Oldest Metal Object in Middle East Discovered in Woman's Grave Live Science. I know that humans got metal from the. How did the first metal tools come. In general terms, chipped stone tools are nearly ubiquitous in all pre- metal- using societies because they are easily manufactured, the tool stone is usually plentiful, and they are easy to transport and sharpen. Evolution. They were not to be conceived, however, as either universal. Mode 1, for example, was in use in Europe long after it had been replaced by Mode 2 in Africa. Clarke's scheme was adopted enthusiastically by the archaeological community. One of its advantages was the simplicity of terminology; for example, the Mode 1 / Mode 2 Transition. The transitions are currently of greatest interest. Consequently, in the literature the stone tools used in the period of the Palaeolithic are divided into four . The oldest known Homo fossil is 2. This example is from the Duero Valley, Valladolid. The earliest stone tools in the life span of the genus Homo are Mode 1 tools. Oldowan tools were characterised by their simple construction, predominantly using core forms. These cores were river pebbles, or rocks similar to them, that had been struck by a spherical hammerstone to cause conchoidal fractures removing flakes from one surface, creating an edge and often a sharp tip. The blunt end is the proximal surface; the sharp, the distal. Oldowan is a percussion technology. Grasping the proximal surface, the hominid brought the distal surface down hard on an object he wished to detach or shatter, such as a bone or tuber. The earliest known Oldowan tools yet found date from 2. Lower Palaeolithic period, and have been uncovered at Gona in Ethiopia. The Industry flourished in southern and eastern Africa between 2. Africa and into Eurasia by travelling bands of H. The small chips on the edge are from reworking. Eventually, more complex, Mode 2 tools began to be developed through the Acheulean Industry, named after the site of Saint- Acheul in France. The Acheulean was characterised not by the core, but by the biface, the most notable form of which was the hand axe. In their species- specific view of the two industries, Oldowan equated to H. Developed Oldowan was assigned to habilis and Acheulean to erectus. Subsequent dates on H. There was no reason to think, therefore, that Developed Oldowan had to be habilis; it could have been erectus. Opponents of the view divide Developed Oldowan between Oldowan and Acheulean. There is no question, however, that habilis and erectus coexisted, as habilis fossils are found as late as 1. In any case a wave of Mode 2 then spread across Eurasia, resulting in use of both there. The manufacturer begins with a blank, either a larger stone or a slab knocked off a larger rock. From this blank he or she removes large flakes, to be used as cores. Standing a core on edge on an anvil stone, he or she hits the exposed edge with centripetal blows of a hard hammer to roughly shape the implement. Then he or she works it over again, or retouches it, with a soft hammer of wood or bone to produce a tool finely chipped all over consisting of two convex surfaces intersecting in a sharp edge. Such a tool is used for slicing; concussion would destroy the edge and cut the hand. Some Mode 2 tools are disk- shaped, others ovoid, others leaf- shaped and pointed, and others elongated and pointed at the distal end, with a blunt surface at the proximal end, obviously used for drilling. Mode 2 tools are used for butchering; not being composite (having no haft) they are not very appropriate killing instruments. The killing must have been done some other way. Mode 2 tools are larger than Oldowan. The blank was ported to serve as an ongoing source of flakes until it was finally retouched as a finished tool itself. Edges were often sharpened by further retouching. Mode III: The Mousterian Industry. Evolving from the Acheulean, it adopted the Levallois technique to produce smaller and sharper knife- like tools as well as scrapers. Such a technology makes much more efficient use of available materials like flint, although required greater skill in manufacturing the small flakes. Neolithic industries. These ground or polished implements are manufactured from larger- grained materials such as basalt, jade and jadeite, greenstone and some forms of rhyolite which are not suitable for flaking. The greenstone industry was important in the English Lake District, and is known as the Langdale axe industry. Ground stone implements included adzes, celts, and axes, which were manufactured using a labour- intensive, time- consuming method of repeated grinding against an abrasive stone, often using water as a lubricant. Because of their coarse surfaces, some ground stone tools were used for grinding plant foods and were polished not just by intentional shaping, but also by use. Manos are hand stones used in conjunction with metates for grinding corn or grain. Polishing increased the intrinsic mechanical strength of the axe. Polished stone axes were important for the widespread clearance of woods and forest during the Neolithic period, when crop and livestock farming developed on a large scale. They are distributed very widely and were traded over great distances since the best rock types were often very local. They also became venerated objects, and were frequently buried in long barrows or round barrows with their former owners. During the Neolithic period, large axes were made from flint nodules by chipping a rough shape, a so- called . Such products were traded across a wide area. The rough- outs were then polished to give the surface a fine finish to create the axe head. Polishing not only increased the final strength of the product but also meant that the head could penetrate wood more easily. There were many sources of supply, including Grimes Graves in Suffolk, Cissbury in Sussex and Spiennes near Mons in Belgium to mention but a few. In Britain, there were numerous small quarries in downland areas where flint was removed for local use, for example. Many other rocks were used to make axes from stones, including the Langdale axe industry as well as numerous other sites such as Penmaenmawr and Tievebulliagh in Co Antrim, Ulster. In Langdale, there many outcrops of the greenstone were exploited, and knapped where the stone was extracted. The sites exhibit piles of waste flakes, as well as rejected rough- outs. Polishing improved the mechanical strength of the tools, so increasing their life and effectiveness. Many other tools were developed using the same techniques. Such products were traded across the country and abroad. Modern uses. Army as the Model 1. Hall Breech Loading Rifle. Freshly cut blades are always used since the sharpness of the edge is very great. These knives are made from high- quality manufactured glass, however, not from natural raw materials such as chert or obsidian. Surgical knives made from obsidian are still used in some delicate surgeries. Alternatively, the term can be used to refer to stones used as the raw material for tools. See also. Hardy 2. Living lithics: ethnoarchaeology in highland Papua New Guinea. Antiquity 7. 7: 5. Clarke, David (1. Analytical Archaeology (2nd ed.). New York, NY: Columbia University Press. In Akazawa, Takeru; Nishiaki, Yoshihiro; Aoki, Kenichi. Dynamics of Learning in Neanderthals and Modern Humans Volume 1: Cultural Perspectives. World Prehistory: a New Outline (2 ed.). Cambridge: Cambridge University Press. National Geographic News. Mc. Pherron; Zeresenay Alemseged; Curtis W. Retrieved 2. 7 November 2. Journal of Human Evolution. Principles of Human Evolution (2 ed.). UK: Blackwell Science. IX^name=autogenerated. Glass Knife Making. External links. University of California. Retrieved 2. 2 January 2. Gunness, Jo Lynn (1. University of Hawaii Anthropology Department. Retrieved 2. 2 January 2. Retrieved 2. 2 January 2. Stone Age Reference Collection (SARC), University of Oslo. Retrieved 2. 2 January 2. Texas Beyond History, University of Texas at Austin. Retrieved 1. 8 January 2. Retrieved 1. 8 January 2. Stone Age Reference Collection (SARC), University of Oslo. Retrieved 1. 8 January 2. Retrieved 1. 8 January 2. Retrieved 1. 8 January 2. The New Student's Reference Work. Composition and development of ancient Egyptian tools. Quite a lot is known about ancient tools thanks to the importance the Egyptians attributed to their use in the next world. The graves of craftsmen often contained tools or models of tools, and tomb walls were at times decorated with scenes of artisans at work demonstrating their techniques. And just to make sure that one would not be left without the necessary implements some had lists of tools carved into the walls. He also did not forget to supply some raw materials like b. D. t, apparently chunks of metal (b. D refers to a crucible or mould), and Tr, a mineral brought from Elephantine . Wood has marvellous qualities for which it is used and loved to this day. It combines toughness and pliability and can be given almost any shape. But some tools were made entirely of wood and remained so through the millennia. Ploughs did not have a European- style ploughshare. There was no need to turn over the soil, as the Nile deposited nutrients with every yearly flooding. Used only to break up the topsoil, they continued to be lightly built. Fire drills consisted of a wooden bow and a plant fibre string . The spindles of the twelfth dynasty for instance had whorl of greater depth than those of the New Kingdom and at the top a long spiral groove for the thread. In Roman times this groove was replaced by a metal hook. A relatively high specific weight and hardness give it much more impact power than a similarly sized piece of timber would have. This hardness is also what restricts its use as a hammer, because it splinters easily. Thanks to their roundness and composition these hammerstones rarely splintered. Applied with measured force they were used to slowly pulverize and shape the workpiece. It would be wrong to think that one could just bend down, pick up any stone and make a blade of it. Few kinds of stone are suitable for knapping, the most widely used being flint and chert. Such stone was often found far from the population centres and had to be mined and transported. Desert flint is found in the eastern desert in the form of small cobbles while tabular flint contained as nodules in limestone is quarried: Upper Egyptians got much of their flint from the quarries near Thebes, while Lower Egyptians were possibly supplied from Abu Roash. It seems the resulting flakes were longer and straighter, their edges tougher and they did not splinter as easily. Stone knives had therefore often no real handle. At one end the blade was left blunt for a few centimetres and wrapped with some fabric and string to give a minimal amount of grip, just enough for cutting, but not enough for breaking the blade. But the knowledge of how to make proper handles and how to fasten them to blades dates back to prehistoric days . Axes which received harsh treatment and therefore broke quickly were generally fashioned with a few well- placed strokes . The heads were fastened to the handles by cutting a socket into the wood, inserting the blade and tying it with a cord two or three feet in length. Axe heads were sometimes ground down to such an extent that little stone was left protruding from the socket, before they were discarded. Help On Simplest Form Homework. Professional Graduate Thesis Writing Services. 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When you get a fraction as an answer, you're usually asked to write it in its simplest form. Tool: Cancel Fractions To Their Simplest Form Screenshot: Go to. Description: Students simplify a given fraction in this alterable worksheet. Fee required to print; see this page for details. Technology Type: Computer. The Simplest Form Calculator an online tool which shows Simplest Form for the given input. Standard Deviation Calculator. Percentage Increase Calculator. Perimeter of a Trapezoid. A fraction (from Latin fractus. The test for a number being a rational number is that it can be written in that form (i.e., as a common fraction). Calculator online for percent to fraction conversion that returns a reduced or simplified fraction. Calculates the reduced fraction and the mixed number (or mixed fraction) answers for percents. Convert percents to fractions. Patch antenna design tutorial with CST microwave. This is a tutorial series on microstrip patch antenna design with inset feed in CST microwave. Calculation of the dimension of the patch antenna, substrate, ground plane, effective dielectric constant, impedance etc. Inputting the parameter obtained into the CST microwave studio, draw the substrate,, ground plane, patch antenna, gap between the patch and microstrip feed and microstrip feed. Simulation and Optimization. The patch antenna picture that will be designed is shown below- . Because it is a lengthy process, each step is described in different blog post. The first step which involves the calculation is described in this post. Readers can skip to- 2nd Part- Design of Microstrip Patch Antenna in CST Microwave Studio. Part- Inset Fed Patch Antenna Simulation and Result. Design Specification: Suppose we want to design the patch antenna that resonates at 2. GHz on a RT/Duroid 5. The RT/Duroid substrate has a dielectric constant of 2. The first step is determine the length and width of the patch antenna. These can be determined using the following equations- For Width, \(\begin? It is a point located inside the patch where the impedance of the feed microstrip and the patch antenna is matched or becomes equal and thus least amount of energy is reflected back to the microstrip and most of the energy is radiated from the antenna. Let the distance of the inset feed point be d from one of the edge of the patch antenna. Let us use a 5. 0ohm microstrip feed and find the inset point where this 5. The equation to find out the value of d is,\(\begin. The width of the microstrip line. ADS Line. Calc. or using the following formula- \(\begin. Microstrip Antenna - Design Parameters and Tradeoffs. Previous: Antennas List. Patch Antenna Menu: All of the parameters in a rectangular patch antenna design (L, W. The Antenna Tutorial. Microstrip Patch Antenna Design Principles Ben Horwath. 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