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NASASciFiles - Arecibo Observatory (2004)
NASA Sci Files segment exploring the Arecibo Observatory, what it does, and where it is located.

Genre: Educational
Keywords: NASA Sci Files; Arecibo Observatory; Telescope; Radio Telescope; Radio Waves; Signals; Universe; Pulsar; Quasar; Reflector; Receiver; Electrical Signal; Control Room; Scientists; Equator; Wavelength; Optical; Atmosphere; Solar System; Galaxy; Extraterrestrial Intelligence; Artificial Signal;
Duration: 00:05:46
Popularity (downloads): 1565
 
NASADestinationTomorrow - DT2 - Sensors (2001)
NASA Destination Tomorrow Segment describing sensor technology and explains what they are and how they work.

Genre: Educational
Keywords: NASA Destination Tomorrow; Sensors; Technology; Heat; Light; Sound; Motion; Pressure; Transduction; Solar Cell; Electrical Signal;
Duration: 00:04:03
Popularity (downloads): 1820
 
NASAKSN - The Internet (2003)
NASA Kids Science News segment explaining how the internet works.

Genre: Educational
Keywords: NASA Kids Science News; Server; Computer; Internet; Pages; Website; Address; KSNN; Link; Computer Mouse; Packet; Electrical Signal; Information;
Duration: 00:00:58
Popularity (downloads): 2256
 
NASAWhy?Files - Electrical Charges (2004)
NASA Why? Files segment exploring lightning and the different types of electrical charges.

Genre: Educational
Keywords: NASA Why? Files; Lightning; Electrical Charges; Greeks; Amber; Wool; Fossilized Tree Sap; Fiber; Hair; Paper; Comb; Repel; Uncharged; Attract; Positive; Negative; Protons; Electrons; Neutral; Neutrons; Particles; Air;
Duration: 00:06:07
Popularity (downloads): 1891
 
NASADestinationTomorrow - DT2 - Morphing Aircraft (2001)
NASA Destination Tomorrow Segment exploring morphing technology and how it can change the future of aircraft.

Genre: Educational
Keywords: NASA Destination Tomorrow; Aircraft; Morphing; Metamorphosis; NASA Langley; Microspheres; Smart Material; Active Material; Macrofiber Composite; Sensors; Technology; Heat; Light; Sound; Motion; Pressure; Transduction; Solar Cell; Electrical Signal;
Duration: 00:06:35
Popularity (downloads): 2424
 
NASAWhy?Files - Electrical Circuits (2004)
NASA Why? Files segment exploring the basics of electrical circuits.

Genre: Educational
Keywords: NASA Why? Files; Electrical Circuits; Load; Circuit; Power Source; Energy; Work; Battery; Conductor; Wires; Simple Circuit; Voltage; Electrons; Light Bulb; Closed Circuit; Open Circuit; Fuses; Circuit Breakers;
Duration: 00:03:14
Popularity (downloads): 2012
 
NASAWhy?Files - History of Electricity (2004)
NASA Why? Files segment exploring the history of electricity with Dr. Textbook.

Genre: Educational
Keywords: NASA Why? Files; Benjamin Franklin; Lightning; Electrical Spark; Copper; Zinc; Alessandro Volta; Thomas Edison; Generator; Electrical Current; Nikola Tesla; Alternating Current; Niagara Falls;
Duration: 00:01:42
Popularity (downloads): 2139
 
Big Bounce, The
The story of the Echo communications satellite project, and how scientists learned to bounce a radio signal off a big balloon.

Genre: Ephemeral
Keywords: Communication: Telephone;Space: Satellites;Communication: Satellite;
Duration: 00:00:00
Popularity (downloads): 265
 
Triangle Blogger Conference 2005 part 7 (2007)


Genre: Educational
Keywords: SILS; UNC-CH; blog; blogger; blogging; triangle; conference; internet; future; newspapers; signal; noise; ratio; bbc; nyt; registration; bloom; transparency; business; model;
Duration: 00:23:23
Popularity (downloads): 8
 
Driving Tips, Part 2 (1958)
Warnings of drinking and driving, speeding, approaching a stopped school bus, the dangers of signal jumping ""usually jumping into trouble"", driving too slowly, drowsiness, driving on street car tracks,...

Genre: Ephemeral
Keywords:
Duration: 00:09:30
Popularity (downloads): 347
 

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