Feb. 7, 1984, the space shuttle astronauts Bruce McCandless II and Robert L. Stewart went on the first untethered spacewalk.…
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historic aviation videos some with sound, some silent 91st Aero Sqn AEF Salmson 2 Reconnaissance 1918 RAF 1940 B-Type Helmet,…
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The Electromagnetic Spectrum – Index page “The electromagnetic spectrum is more familiar to you than you might think. The microwave…
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Plan Ceibal – Khan Academy Plan Ceibal has a separate Khan Academy Web site at http://khan.ceibal.edu.uy/ where they are apparently…
Jan. 19, 1937 Howard Hughes sets LA-Newark air record
USA Howard Hughes Racing Aeroplane which holds the world’s land speed record of 352 miles per hour Jan. 19, 1937,…
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The Museum of Unworkable Devices “fascinating devices that don’t work. It houses diverse examples of the perverse genius of inventors…
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NetSmartzKids Home Page Topics include personal safety, shopping safety and ethical use of the Internet. To learn more, youth ages…
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IXL – Math practice Tags: k-8, math, learning, interactive The Engineering Design Process – http://www.TeachEngineering.org “The engineering design process is…
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Middle School Resources “Mathematics Teaching in the Middle School (MTMS) focuses on intuitive, exploratory investigations that use informal reasoning to…
