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    Senate passes $40 billion Ukraine aid package

    02:37

  • Oklahoma one step closer to banning abortions at conception

    01:00

  • Buffalo shooting suspect pleads not guilty at arraignment

    02:12

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  • Johnny Depp's past in question on day 19 of $50 million defamation trial

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  • Nightly News Full Broadcast (May 19th)

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  • Boeing’s Starliner launches to International Space Station after delays

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  • New exhibition at the National Gallery of Art gives viewers global journey through Black history

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  • Secretary of state races in the spotlight as false election theories take root in U.S.

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mach

This is how solar panels work

01:15

Solar panels generate electrical current by exploiting a phenomenon first described more than a century ago by a French physicist. In 1839, Edmond Becquerel noted that silver and platinum electrodes in an acidic solution produced small amounts of electricity when exposed to light. This reaction became known as the photovoltaic effect.Jan. 15, 2019

  • UP NEXT

    Senate passes $40 billion Ukraine aid package

    02:37

  • Oklahoma one step closer to banning abortions at conception

    01:00

  • Buffalo shooting suspect pleads not guilty at arraignment

    02:12

  • Florida police announce charges for biker and deputy after taser likely set man on fire 

    02:54

  • Johnny Depp's past in question on day 19 of $50 million defamation trial

    03:33

  • NYC health officials investigating potential monkeypox case in U.S.

    03:05

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MACH

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