temperature
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Why Do Ice Cubes Crack When You Drop Them In Drinks?
The sound of summer is ice cracking as you pour yourself a cold drink. Hearing that snap and pop cools everybody down. But why does ice crack? Periodic Videos explains the reason why ice straight from freezer suffers that sudden crack versus how ice left on a tray will just melt instead of crack.
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The Trick That Lets You Set Your Hotel Thermostat To Any Temp You Want
Just like “close door” elevator buttons and press-to-walk street signs, hotel thermostats are a notorious public placebo. You see the rig on the wall and get to feel like you have some modicum of control, but in reality, that thermostat will only let you go to 22C, maybe 21C if you’re lucky. But after that…
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How Much Global Warming Will Happen In Our Lifetimes?
On Friday the UN Intergovernmental Panel on Climate Change put its collective foot down about global warming. It’s happening and it’s most likely our fault. But as with any issue that affects all of humanity, the most important question is what’s gonna happen to you? Will you have to give up air conditioning? Will the…
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Can Humans Really Feel Hot And Cold?
If you compare the feeling of touching a piece of metal versus a piece of paper, the metal will always seem cooler, even if both objects are actually the same temperature. So what gives? It turns out that what we’re really feeling as cold when we touch something is actually an object’s increased ability to…