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This article is provided by Duke University and discusses the first working "invisibility cloak." "The cloak, made with advanced 'metamaterials,' deflects microwave beams and may find a variety of wireless communications or radar applications."

This resource, provided by the Maricopa Advanced Technology Education Center (MATEC), is an animation that shows the stages molecules go through as they move from the turbulent stage of viscous flow, to the transition into laminar flow, and then transition again into molecular flow. An .mp4 file is...

This presentation, provided by the Building Efficiency for a Sustainable Tomorrow (BEST) Center, is from the BEST Center's 2023 Annual Institute. During the discussion, the presenter talks about "... the research and market advances that allow water heaters to drive our sustainable future." This...

This 4-page syllabus, published by Heartland Community College (HCC), provides information about the Fluid Power and Mechanical Systems course taught at HCC. Throughout the course, students study "basic fluid power theories and advantages, schematic reading and development, equipment specification...

Learn how to make waves of all different shapes by adding up sines or cosines. Make waves in space and time and measure their wavelengths and periods. See how changing the amplitudes of different harmonics changes the waves. Compare different mathematical expressions for your waves. This simulation...

This video, provided by the Building Efficiency for a Sustainable Tomorrow (BEST) Center, is from the BEST Center's 2022 Annual Institute. The presentation provides an overview of the different topics featured on each day of the institute, building upon information featured in first video of the...

This 20 page case study, from the Building Efficiency for a Sustainable Tomorrow (BEST) National Center, provides an overview of the facility management, maintenance, and operations of the Fred Hutchinson Cancer Research Center in Seattle. Best practices are highlighted to "provide snap-shots of...

This site provides a listing of free online courses in mechanical engineering which are offered by real schools. Learn which mechanical engineering courses are available, what topics are covered, and which ones lead to real college credit.

Freestudy provides free tutorials and resources for those studying engineering from the degree level to certificate level. The site specializes mainly in Mechanical Engineering and provides materials on thermodynamics, fluid mechanics, mechanics of solids, materials, fluid power, mechatronics,...

This webpage provides information about FreeCAD, a general purpose parametric 3D computer-aided design (CAD) modeler. FreeCAD is primarily for designing real-life objects and is intended for home users/hobbyists, experienced CAD users, programmers, and educators. "FreeCAD is aimed directly at...