But when you put liquid water in space — where it can no longer remain as a liquid — which one of these two things happens? Does it freeze or boil?
The surprising answer is it does both: first it boils and then it freezes! We know this because this is what used to happen when astronauts felt the call of nature while in space. According to the astronauts who’ve seen it for themselves:
When the astronauts take a leak while on a mission and expel the result into space, it boils violently. The vapor then passes immediately into the solid state (a process known as desublimation), and you end up with a cloud of very fine crystals of frozen urine.
For some children with severe epilepsy, the best treatment may be a very rare surgical procedure in which a large portion — even half — of the child’s brain is removed or disconnected. Amazingly, many of these individuals can relearn motor, language, and cognitive skills. How? The brain reorganizes itself and builds new connections. To […]
This video depicts light speed in contexts where it appears to be slow. The moon is 1.2 light seconds from Earth; Mars several light minutes. This is, of course, why humans aren’t moving out of this solar system any time soon.
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Vinyl is officially back. People are hearing the proof behind the initial “retro” excitement: that records really do have a richer sound. And if you haven’t switched to old-school records for serious listening, it’s a new golden age. Why? Because quality turntables like the Altec Lansing ALT-500 are finally available to a market other than […]
Between all of our apps, streaming devices, Bluetooth speakers, and energy-sucking decorations, paying for utilities each month can be…brutal. In fact, the average household spends roughly $70 a month on the water bill alone. That number might not seem terribly significant, but when you add it up, that’s $840 a year — a pretty significant […]