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10:00 pm
Inventions That Shook The World
"The 1920's"
Mobsters, jazz, and turbulent economic times mark the 1920s. Silent film makes the transition to the talkies as sound comes to the silver screen. The refrigerator gets a makeover from the smartest man in the world; and poverty inspires a desperate inventor to come up with a winner called television. D
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11:00 pm
Alan Alda in Scientific American Frontiers
"Hot Planet - Cold Comfort"
Alda learns about global warming and what could happen if the great Atlantic Conveyor shuts down. He also slogs through melting permafrost to survey drowning forests in Alaska.G
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11:30 pm
Alan Alda in Scientific American Frontiers
"Hydrogen Hopes"
The show looks at how science might obtain hydrogen from renewable sources, store it safely and provide a usable fuel.G
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