A little while ago, the Israeli Museum in Jerusalem opened an exhibit featuring some of the torn, slightly burned pages of Col. Ilan Ramon’s personal diary from the shuttle Columbia. Ramon was the payload specialist onboard STS-107 (the spaceshuttle “Columbia”) that disintegrated during re-entry from space, killing all 7 crewmembers onboard. The diary survived the [...]

A few months ago I released an experiment video explaining how Eratosthenes calculated the circumference of the Earth using the shadow of sticks. The method was performed almost two millenia ago, and produced quite accurate results (considering the ‘equipment’ used). But it was far from being the only (or first) method to understand our planet’s [...]

The Olympics Games are here (well, in Beijing) and everyone’s watching and trying to guess who will win a medal. But, apparently, even the Olympics is a source of scientific inquiry, and not just for geeks. The “Speedo” controversy raises some interesting points about the effect of a swimsuit on the swimmer, and the effect [...]