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3D ContentCentral is a free service for locating, configuring, downloading, and requesting 2D and 3D parts and assemblies, 2D blocks, library features, and macros. Users can join an active community of 1,279,870 CAD users who share and download user contributed and supplier-certified 2D and 3D parts...

This 5:58-minute talk, from designer Bastain Schaefer and TEDGlobal, asks individuals to consider the possibility that, someday, our jet planes could be made by using 3D printers. As he asks: can individuals imagine jet planes with strong, flexible forms "that's full of light and space - and built...

This website on electronics is set up to explain electronics and how they work. The lessons are free and give basic information for the beginner. This guide answers some of the most common questions about electronics: What are a.c. and d.c.? What is Ohm's Law? What is the difference between current...

This resource, from Educational CyberPlayGround, provides information about women's important contributions to the history of computing and computers. The stories of notable women are presented, such as those profiled in the 2016 film "Hidden Figures," Katherine Johnson, Dorothy Vaughan, and Mary...

This Additive Manufacturing Basics site from AMazing Additive Manufacturing gives an overview of additive manufacturing (AM) history and technologies. The site introduces common AM technologies such as the use of a computer, 3D modeling software (Computer Aided Design or CAD), machine equipment and...

In this computer game, made available by Borough of Manhattan Community College, users can test their knowledge of algebraic principles. After selecting Play, users are prompted to select from the following topics: Variables on Opposite Sides, Radical Equations, Absolute Value Equations, Quadratic...

The Alternative Fuels Data Center (AFDC) is a website published by the Office of Energy Efficiency and Renewable Energy at the United States Department of Energy. The website "provides a wealth of information and data on alternative and renewable fuels, advanced vehicles, fuel-saving strategies, and...

The American College of Medical Toxicology (ACMT) is a professional, nonprofit association of physicians with recognized expertise in medical toxicology, whose mission is to ensure that patients exposed to poisons and toxic substances receive optimal care.

American Farmland Trust (AFT) works to stop the loss of productive farmland and to promote farming practices that lead to a healthy environment.  This website provides resources and ways to get involved with the organization's mission.  Advocacy and educational materials are also included.

This not-for-profit, North Carolina community-based effort promotes farmland protection and sustainable production systems through research, development, policy support and promotion.  Additionally, this website provided by Appalachian Sustainable Agriculture Project (ASAP), connects local growers...