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#180 Maximum human lifespan; a twist on a classic physics experiment; saving the kākāpō

The world, the universe and us

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The Double Slit Experiment

The double slit experiment is a really fundamental one. It was first done in 1801 and involves shining light at a card with two slits cut in it for the light to pass through. And then when the light hits a screen on the other side of the card, it shows this interference pattern of bright and dark stripes. This is the experiment that proved that light is both a particle and a wave right? Yeah, exactly. So what's this new twist on the experiment, then?

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