The Islands With Too Much Power
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After 140 years, this old technology still keeps trains safe
16:47
The Problem with Wind Energy
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Would you swim in power plant wastewater?
13:45
No Speed Limits In Germany? Why The U.S. Doesn’t Have An Autobahn
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The Shocking New Use for Red Telephone Boxes
4:17
The world's last turntable ferry has a really clever design
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The Most Useful Thing AI Has Ever Done
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