Andrew Koltonow

What Happens to Your Brain When You Fall in Love?

Falling in love is one of the best feelings in the world. The tools available to biologists have advanced immensely in the last few decades, and they're using that technology to decipher the physiology involved in falling in love.... READ ON

Why Are Dried Coffee Stains Darker At The Edges Than In The Center?

FlickrIf you spill coffee anywhere near as often as I do, you may have noticed something peculiar: When a puddle of coffee is allowed to dry undisturbed, the brown sediment collects almost entirely on the edge of the spill rather than being spread out evenly. It was not until recently that we could explain why a drop of coffee (or wine, or ink) dries this way. The theory of coffee ring formation was published in 1997 by a group of University of Chicago physicists. Lest you think it entirely academic,... READ ON

How Do 3D Glasses Work?

Stereoscopy—the illusion of depth created by showing a separate image to each eye—is at least as old as photography itself. In the last few years, however, stereoscopic 3D movies have come back in a big way. Theaters show you 3D movies by projecting two images on one screen and giving you specialized glasses that separate the images. But how do those glasses work?Polar... READ ON

Popular on Mentalfloss