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Tag Archives: Science

These Wetsuits Will Make You Invisible To Sharks

Anti-Shark-Wetsuit-3

We’re all for getting in the water and sploshing around… Actually, scratch that; water isn’t our thing. Well, it’s not my thing, so I’m not going to encourage anyone to enter a realm that is clearly not intended for human presence. Between jelly fish, stingrays, piranhas and sharks, there are plenty of reasons to stay away. But if you’re going to do it anyway, might as well don these wetsuits that apparently make you completely invisible to sharks. The particular patterns and colours are invisible to the colorblind killing machines. Created by Hamish Jolly and Craig Anderson, working with the University of Western Australia, the suits work on the principle that even if sharks use other senses to find you (bleeding, much?), vision is used in the final approach. Since sharks see in black and white, the patterns on the suits make you either totally invisible to them, or unpalatable. Yeah, in one of the suits, the one geared towards surfers and called “The Diverter”, the shark takes a look at you and goes “ugh, gross”, and swims away. If staying alive is a priority of yours, being considered unappetizing by your predator should not be something to feel bad about.

Expect to see not only wetsuits with the patterns on the market, but stickers for the underside of surf boards as well. We’re not sure about price or availability though.

[ Product Page ] VIA [ DVice ]

What Happens If Superman Punches You In Real Life? (Spoiler: You Can’t Just Shake It Off)

Comic book nerd? Physics nerd? Both? Awesome! The video above is going to make you grin ear to ear for five minutes. It’s an engaging breakdown of what would happen if the Man of Steel were to apply his fist to your face, in reality.

VIA [ GeeksAreSexy ]

Video: Instant Ice

The video above shows a pretty dramatic example of supercooling at work. This is what happens when you cool water below its freezing point, but the water lacks any nucleation sites that are necessary to seed ice crystals. In other words, for water to turn to ice, it requires the presence of solid particles around which to start forming crystals. If the water is pure enough, you can take it down to −48.3 °C (−55 °F) while still in liquid form. But as soon as you pour it out onto something solid, the above happens.

Science.

VIA [ TheAwesomer ]

L’Uritonnoir is an Outdoor Urinal That Uses Pee to Turn Straw Into Compost

Urine Disposal Fertilizer

Today I learned one use for human pee and debunked a myth about it while I did my research. Respectively, they are as follows:

  • Human pee can be used to help transform a bale of straw into compost that can be used as fertilizer.
  • Human pee doesn’t really alleviate jellyfish stings and in some cases, might even make the sting even worse.

I don’t think I need to cover the second point, since it’s pretty straightforward. The first point, on the other hand, is a different story.

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Name That Space Rock

Name-That-Space-Rock

With the news that a meteor caused around 1,000 injuries in Russia last Friday and in an extremely rare occurrence, the planet dodged a near-miss from a much larger rock on the very same day, everyone’s lips are on the topic of space rocks. So, is it an asteroid? A meteor? A meteorite? It turns out that words have precise meanings, and the above diagram should help you get your facts straight so you can pedantically correct your friends.

VIA [ LikeCool ]

Own A Tiny Speck Of Mars

f39a_rock_from_mars

There are a few ways you could get your hands on Martian soil. Wait until we develop space travel enough to bring back samples, then steal those, for one. Or wait until we develop it even further and become the first Martian tourist. But let’s face it, that’s not happening anytime soon. Until then, it turns out there’s already some Martian rock right here one Earth, and you can buy some. How? Like this: when a meteorite hits the red planet, a lot of rock is ejected into the atmosphere. A small amount escapes the planet’s gravitational pull and an even smaller amount still ends up as a meteorite right here on Earth. Martian soil, right here on our blue pebble. The specimen you see above is Martian shergottite, NWA 4930, recovered in the Sahara desert. It’s been examined and certified to come from the same place where the Curiosity rover is currently digging some holes. $25 will buy you… a 2mg speck. But hey, how much do you actually need?

It’s packaged in a protective shell with a card describing its history, and is being sold by ThinkGeek, so we don’t doubt its authenticity.

[ Product Page ]

House Of The Rising Sun Played On A Pair Of Tesla Coils

I’m home, bored on a Saturday evening, so here’s an oldie but goodie for those of you doing the same and stumbling upon a rare weekend OhGizmo! post in your Interweb meanderings. It’s The Animals’ House Of The Rising Sun played on a pair of Tesla coils. Yes, there’s sparks galore and yes it’s as awesome as it sounds.

As the YouTube comment says: “Dude. Science and sh#t.”

Enjoy.

What Sound Does A Red Hot Ball Of Nickel Being Dropped Into Water Make?

Haven’t you always wondered that? No? Neither have we, but now that we know, we can assure you it’s nothing like what we would have imagined.

Watch.

VIA [ Geekologie ]

Ate Too Much? No Worries, Just Use This Machine to Pump 30% of the Food Out

Stomach Pump

The AspireAssist Aspiration Therapy System, shown above, is basically a ‘feeding tube in reverse.’ Instead of pumping food in, it pumps food out. It was created with a pretty good purpose, although I can’t help but feel that this might end up being misused by people who put too much weight on their, well, weight.

Anyway, the food-reversal pump was developed by Segway inventor Dean Kamen and a team of doctors who wanted to help people struggling with over-eating. What it does is pump out 30% of the person’s stomach contents twenty minutes after they eat so that all those extra calories won’t be digested. Sounds cool and all, but the big catch? The ‘installation’ and usage of the system involves creating a hole in your belly where the food is supposed to pass out. Doesn’t sound very appealing now, does it?

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