A Ball of Super Hot Metal Is an Awesomely Noisy Way to Heat Your Water

Microwaves are a fine way to warm water. So are stoves. But neither of them quite compare to dropping in a sphere of red-hot nickel to do the trick. Thanks to a little something called the Leidenfrost effect, the ball actually surrounds itself with a blanket of steam that keeps the rest of the water away. More »

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