Search Results (26 videos found)
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NASAWhy?Files - Lightning (2004)
NASA Why? Files segment explaining lightning and how it works.

Genre: Educational
Keywords: NASA Why? Files; Lightning; Negative Charges; Positive Charges; Attract; Repel; Thunderstorm; Cloud; Ground; Channel; Volt; Discharge; Cloud To Cloud Lightning; NASA Langley; Aircraft; Lightning Strikes; Turbulence; Cockpit; Nose Boom; Sparks; Power Outage;
Duration: 00:04:03
Popularity (downloads): 1876
 
NASAKSN - Lightning (2003)
What causes a lightning flash?

Genre: Educational
Keywords: William Jeffries; Cloud; Charge; Discharge; Spark;
Duration: 00:01:00
Popularity (downloads): 1684
 
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
 
San Francisco Longshore Strike (Part II) (1934)
Longshoremen close down the Port of San Francisco in the spring of 1934.

Genre: Ephemeral
Keywords: San Francisco: Labor;Labor: Strikes;
Duration: 00:05:05
Popularity (downloads): 67
 
San Francisco Longshore Strike (Part I) (1934)
Longshoremen close down the Port of San Francisco in the spring of 1934.

Genre: Ephemeral
Keywords: San Francisco: Labor;Labor: Strikes;
Duration: 00:01:54
Popularity (downloads): 139
 
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
 
San Francisco General Strike (Part II) (1934)
Union workers in San Francisco stage a general strike, shutting down the city to support striking longshoremen.

Genre: Ephemeral
Keywords: San Francisco: Labor;Labor: Strikes;Labor: 1930s;
Duration: 00:01:03
Popularity (downloads): 126
 
San Francisco General Strike (Part I) (1934)
Union workers in San Francisco stage a general strike, shutting down the city to support striking longshoremen.

Genre: Ephemeral
Keywords: San Francisco: Labor;Labor: Strikes;Labor: 1930s;
Duration: 00:01:37
Popularity (downloads): 133
 
17 Days: The Story of Newspaper History in the Making (1945)
How a New York City newspaper delivery drivers' strike in 1945 failed to divert readers' interest in their favorite newspapers. Shows the newspapers of the day and huge lines of...

Genre: Ephemeral
Keywords: Media: Newspapers;Labor: Strikes;New York City;
Duration: 00:16:33
Popularity (downloads): 563
 
NASAWhy?Files - Electricity (2004)
NASA Why? Files segment explaining the forms of electricity and the many sources of power.

Genre: Educational
Keywords: NASA Why? Files; Electric Charges; Electrons; Lightning; Battery; Socket; Power; Solar Power; Solar Cells; Physics; Wires; Energy; Work; Chemical Energy; Mechanical Motion; Power Company; Current; Sources of Energy; Wind Power; Natural Gas; Coal; Oil; Nuclear Fission; Steam; Turbines; Generator; Niagara Falls Power Project; Hydro Power;
Duration: 00:04:46
Popularity (downloads): 2518
 

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