Scientists have measured the shortest interval of time ever recorded – and now know it takes 247 zeptoseconds for a particle of light to cross a single hydrogen molecule.

Photoelectric effect

It’s official folks. It takes 247 zeptoseconds, or a trillionth of a billionth of a second, for a particle of light to cross a single molecule of hydrogen marking the shortest interval of time ever recorded. Yep, that’s a 1 written behind 20 zeroes and a decimal point. Blink, blink. It’s gone. The measurement was…

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This is what Niagara Falls looks like when all the water is shut off

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Would you believe the water that rushes over Niagara Falls can be turned off? It’s happened before and is about to happen again. All the water from the American side of Niagara Falls (the American Falls) will be rerouted in order to allow repairs to infrastructure. When that happens, we’ll see the bone-dry cliff where…

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