Turbulence: One of the Great Unsolved Mysteries of Physics

You’re on an airplane when you feel a sudden jolt. Outside your window nothing seems to be happening, yet the plane continues to rattle you and your fellow passengers as it passes through turbulent air in the atmosphere. What exactly is turbulence, and why does it happen? Tomás Chor dives into one of the prevailing […]

Why Do Compressed Air Cans/Gas Dusters Get REALLY Cold?

This video is about compressed air cans (aka gas dusters) and why they get cold when you spray them. They cool off because the refrigerant inside (1,1-difluoroethane) is under pressure and boils off when the pressure lowers, and energy lost to the latent heat of vaporization cools the can a lot. Difluoroethane normally boils at […]

Migration Pattern of 118 Different Species (Animated Graph)

For those of you who still don’t know, Geeks Are Sexy is a Canadian-based website. So after our crazy winter, it is a gentle relief to see the terrifying geese reappear, finally indicating the end of this white, freezing hell. It left us wondering just what distance these aggressive little things actually travel. Our friends […]