Video Archive

  • Even Chemists Are Baffled by This GIF of a Droplet Spiraling to Its Doom

    A single drop of solvent swirls like a tiny dancer atop a beaker of water, gradually jettisoning away little round bits of itself until nothing remains. Some who saw it thought it looked like a spinning galaxy, or the world’s tiniest hurricane. All who saw it wondered what the heck was going on — and that includes the researchers who conducted the experiment in 2011.

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  • Hubble’s Contentious Constant

    There are two leading ways to measure the universe’s rate of expansion, and for fifteen years, they more or less agreed with one another. Not anymore, and that’s a big deal.

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