You can see that things gradually become more terrifying : Five of the six alkali metals and their reactions to air and water. Learn more at the Periodic Table Of Videos. Lithium, Sodium, Potassium, Rubidium, Cesium (Caesium), and the elusive Francium.
posted by The Whelk on Nov 18, 2009 - 29 comments

Welcome to the Universe - III: The Size of Things . . .we take a breif trip through the Solar System and beyond to see the size of the Universe. A youtube video by AndromedasWake about the scale of the Universe.
posted by nola on Jul 8, 2009 - 20 comments

Have you ever dreamed of moving an object with the power of your mind? Mindflex, the new mental acuity game from Mattel, makes that dream a reality. A lightweight headset containing sensors for the forehead and earlobes measures your brainwave activity. When you focus your concentration, a small foam ball will rise on a gentle stream of air. Relax your thoughts and the ball will descend. By using a combination of physical and mental coordination, you must then guide the ball through a customizable obstacle course, the various obstacles can be repositioned into many different configurations. [more inside]
posted by litterateur on Jun 27, 2009 - 39 comments

The other Milgram experiment had less than shocking results. In fact, the famous six degrees of separation appear to be more folklore than science. [more inside]
posted by tkolar on Feb 3, 2008 - 29 comments

The Annals of Improbable Research magazine is available in two free online formats. Tagline: Research the makes people LAUGH and then THINK. Visit some of the site's classics or simply check out the newest members in the Luxuriant Flowing Hair Club for Scientists. Hours and hours of brain stimulating fun.
posted by spock on Jan 13, 2008 - 8 comments