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Date Name Thumbnail Size Description Versions
16:07, 11 September 2008 Gauss' Law.jpg (file) 2 KB Gauss’ Law shows how static electricity, q, can create electric field, E. 1
18:40, 9 September 2008 Faraday's Law.jpg (file) 4 KB Faraday’s Law shows how a changing magnetic field, H, can create an electric field, E. 1
17:46, 9 September 2008 Eldridge Johnson.jpg (file) 4 KB Eldridge Johnson 1
15:26, 4 September 2008 Ayrton.jpg (file) 4 KB Hertha Ayrton 1
20:11, 5 September 2008 Microwave Ovens Radarange.jpg (file) 4 KB An early Radarange. Courtesy: Raytheon. 1
15:27, 5 September 2008 Sunbeam.jpg (file) 5 KB This 1930s Sunbeam mixer was one of the many electrical appliances introduced in the first half of the 20th century that changed the way households were run. Courtesy: Sunbeam Corporation. 1
18:24, 4 September 2008 Ford.jpg (file) 5 KB   1
15:50, 9 September 2008 Building Blocks of Nanotechnology Xenon ibm.jpg (file) 5 KB The letters “IBM” spelled in xenon atoms, as imaged by the atomic force microscope. Courtesy: IBM. 1
18:47, 9 September 2008 Farnsworth's Image Dissector.jpg (file) 5 KB The 1927 version of Farnsworth’s image dissector. He received a patent for the image dissector in 1930, and successfully defended that patent against Vladimir Zworykin and David Sarnoff. Courtesy: Smithsonian Institution. 1
18:31, 2 September 2008 Clarke.jpg (file) 5 KB Edith Clarke 1
17:04, 11 September 2008 Winston Churchill 1.jpg (file) 5 KB Winston Churchill during the Boer War. 1
15:16, 9 September 2008 Cell Phone Antenna Links 2.jpg (file) 5 KB A typical cell phone with a stub antenna. Courtesy: Motorola, Inc. 1
18:15, 9 September 2008 Emile Berliner.jpg (file) 6 KB Emile Berliner 1
16:21, 9 September 2008 David Sarnoff.jpg (file) 6 KB David Sarnoff 1
16:04, 9 September 2008 Chain Home 2.jpg (file) 6 KB A Chain Home radar station. 1
16:39, 11 September 2008 Global Positioning System 1.jpg (file) 6 KB A hand-held GPS unit for hikers, campers, adventurers, and geocachers (players of a "treasure hunt" type game that uses GPS). 1
19:50, 5 September 2008 Leon Theremin.jpg (file) 6 KB Leon Theremin 1
15:32, 9 September 2008 Arthur C. Clarke 2.jpg (file) 6 KB   1
19:30, 2 September 2008 Hopper2.jpg (file) 6 KB   2
16:24, 11 September 2008 George Westinghouse.jpg (file) 6 KB George Westinghouse 1
17:16, 5 September 2008 Alan Dower Blumlein.jpg (file) 6 KB Alan Blumlein, a pioneer of stereophonic recording. Courtesy: EMI Archives 1
16:44, 9 September 2008 Dolby Laboratories.jpg (file) 6 KB An example of the first type of Dolby noise reduction unit. 1
15:57, 9 September 2008 CAT, MRI, and Ultrasound.jpg (file) 6 KB An MRI of the human head. The different colors indicate regions of the brain that are physiologically active. 1
18:32, 9 September 2008 Etheric Force.jpg (file) 6 KB Edison's etheroscope. Courtesy: National Park Service, Edison National Historic Site. 1
15:29, 9 September 2008 Arno Allan Penzias.jpg (file) 6 KB Arno Allan Penzias 1
18:17, 5 September 2008 Alexander Graham Bell.jpg (file) 6 KB A young Alexander Graham Bell. Bell’s commitment to helping the hearing-impaired led to his invention of the telephone. He also founded communications giant AT&T. 1
17:56, 9 September 2008 Electric and Hybrid Vehicles 3.jpg (file) 7 KB A recent model of the first commercial hybrid electric vehicle (HEV), the Toyota Prius. 1
20:11, 5 September 2008 Microwave Ovens Spencer.jpg (file) 7 KB Percy Spencer with a magnetron. Courtesy: Raytheon. 1
16:43, 11 September 2008 Gordon E. Moore.jpg (file) 7 KB Gordon E. Moore. Courtesy: Intel, Corp. 1
16:31, 9 September 2008 Diode 2.jpg (file) 7 KB Part of a 1920s cat’s whisker diode that uses a small crystal of the semiconductor galena. A fine piece of wire—the “cat’s whisker”—is touched on the surface until the “sweet spot” is located. The crystal then acts as a one-way valve for e 1
14:42, 5 September 2008 Washingmachine.jpg (file) 7 KB   1
16:15, 9 September 2008 Cosmic Background Radiation 1.jpg (file) 7 KB Map of intensity variations in the cosmic background radiation from COBE satellite data. The hot red band across the equator is the plane of our galaxy. Fluctuating emissions from the edge of the visible universe dominate regions away from the equator. Co 1
15:38, 9 September 2008 Arthur L. Schawlow.jpg (file) 7 KB Arthur L. Schawlow 1
15:57, 5 September 2008 Casette.jpg (file) 7 KB   1
15:08, 9 September 2008 Capacitors.jpg (file) 8 KB These are examples of modern capacitors. They measure about an inch long and might be found in radios or televisions. Capacitors come in all sizes, from car-size ones that are used in electric power distribution to microscopic ones built into integrated c 1
15:26, 5 September 2008 Hoover.jpg (file) 8 KB The 1908 Hoover Model O. It weighed 40 pounds (25 of which were the weight of the motor), but was lightweight compared to the 100 pound pushcart models available at the time. Courtesy: The Hoover Company. 1
17:06, 11 September 2008 Winston Churchill 3.jpg (file) 8 KB   1
17:55, 9 September 2008 Electric and Hybrid Vehicles 2.jpg (file) 8 KB The electric car of the 1970s, the Citicar. 1
16:42, 5 September 2008 Nipper and Friends.jpg (file) 8 KB Nipper, the lovable mutt that inspired the RCA and HMV trademarks. 1
15:31, 9 September 2008 Arthur C. Clarke 1.jpg (file) 8 KB Arthur C. Clarke 1
16:09, 4 September 2008 Lamarr.jpg (file) 8 KB   1
19:32, 5 September 2008 Buckminster Fuller.jpg (file) 9 KB Buckminster Fuller 1
17:33, 11 September 2008 Transformers.jpg (file) 9 KB Today's transformers range in size from less than 1 square cm to giants like this one, which is used in the distribution of electric power. Courtesy: Library of Congress, Prints & Photographs Division 1
16:36, 4 September 2008 Peden.jpg (file) 9 KB   1
16:05, 9 September 2008 Chain Home 3.jpg (file) 9 KB A radio goniometer similar to those used in Chain Home. 1
18:25, 4 September 2008 Quadricycle.jpg (file) 9 KB   1
17:05, 11 September 2008 Winston Churchill 2.jpg (file) 9 KB Winston Churchill flashing the “V for Victory” symbol during World War II. 1
15:42, 9 September 2008 Bell Labs 2.jpg (file) 9 KB Bell Labs' New York City building, in the mid-1930s. Courtesy: Lucent Technologies. 1
16:52, 5 September 2008 Anne Morrow Lindbergh.jpg (file) 9 KB Anne Morrow Lindbergh. Courtesy: Smithsonian Institution. 1
17:04, 5 September 2008 Aircraft Carriers in World War II 2.jpg (file) 9 KB The HMS Ark Royal circa early 1939. Courtesy: U.S National Archives. 1
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