You brush. You floss. You swish some burning mint-laced liquid around in your mouth until it hurts. You go to bed with an oral hygiene gold star, and you wake up with white gloop connecting your lips and some vile odor emanating from it. Wtf happens in our mouths while we sleep? More »
In the early days of space exploration, NASA basically made up procedure on the fly. With little knowledge of the world outside our atmosphere, agency physicians worried what humans might encounter out there. Maybe John Glenn would go Space Blind. Maybe the Apollo 11 crew would track an Andromeda Strain through the Lunar Command Module, unleashing a deadly moon virus on a defenseless earth. More »
Imagine 80-inch screens with quadruple the image quality of Full HD, plus passive 3D content that you’d consider actually watchable. That’s 4K TV technology. It could deliver a stunning home theater experience—just as soon as 4K-enabled TV’s like Sony’s latest begin to cost less than a Kia. More »
Duct tape solves just about any problem (for a little while, at least). Busted truck bumpers, cracked trash cans, an endless list of other household fractures—if two things are better off stuck together, duct tape is the answer. But how did we come up with this miracle on a spool? And what makes one product so good at so much home improvement? More »
Digital audio is everywhere in the modern world—telephones, television, sonar, and Spotify. For all the ways it has revolutionized the way we hear, converting the waves to ones and zeros is a surprisingly straightforward process. Here’s the science of sound. More »
Snow blindness, arc eye, welder’s flash, bake eyes—these all describe the common effects of staring at an intensely bright light source. But what actually happens to your eyes when you try to hold a staring contest with our closest star? It’s not pleasant, that’s for sure. Here’s a look at what you shouldn’t see for yourself. More »
We’ve been sitting on the same kind of crapper for centuries. Sure, the plumbing has gotten more tucked away and seats are now fashioned out of all sorts of materials and styles (including plush vinyl embroidered with cats), but as far as the toilets themselves go, hundreds of years after they were invented, they’re still largely porcelain. More »
Say some maniacal world leader finally hits the big red button. Or maybe a terrorist takes out the local nuclear reactor. You survive the initial attack, and you’re left to endure a world poisoned by nuclear radiation. How’s that gonna feel? More »
We live in a base-10 world. The decimal system governs everything from the binary functions of computers to the amount of change you get when you buy a Mashed Potato Slurpee. So why isn’t the standard Earth day just 10 hours long? Credit the Egyptians for that one. More »
Smooth move, Dave. You’ve done pissed off the ship’s Nav-com enough to warrant bailing out of an airlock. Now, find yourself in the cold embrace of interstellar space sans helmet. Here’s what you have to look forward to during your last few moments alive. More »
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