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    U.K. Airbus plant converted into coronavirus ventilator factory

    01:34

  • Buying renewable energy from your neighbor: One startup’s mission to reshape the marketplace

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  • Watch NASA astronauts make history in first all-female spacewalk

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  • Chemistry Nobel goes to 3 scientists who developed the lithium-ion batteries

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  • Watch Elon Musk unveil 'epic' new SpaceX Starship protoype

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mach

A brief history of the atomic bomb

02:55

H.G. Wells’ “The World Set Free” imagined a bomb of terrifying, absolute power: a uranium-based hand grenade “that would explode indefinitely.” And the fantasy writer wasn’t so far from reality – the beginnings of the atomic bomb came only two and a half decades later. Atomic bombs have only been used twice in war. But with current tensions between the U.S. and North Korea escalating, it’s worth asking how we got here.Jan. 10, 2018

  • UP NEXT

    U.K. Airbus plant converted into coronavirus ventilator factory

    01:34

  • Buying renewable energy from your neighbor: One startup’s mission to reshape the marketplace

    07:03

  • Big food is betting big on regenerative agriculture in climate change fight

    02:36

  • Scientists trained rats to drive tiny cars. It could have huge implications for our mental health.

    01:48

  • First commercial drone home delivery service in U.S. takes flight

    01:53

  • Why leaves change color: the science of fall foliage

    01:53

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