Black Holes and The Schwarzschild Radius

Since the media is covering black holes more frequently, we figured many of you might like to understand more about the phenomenon. Today, we have an absolutely fascinating video explaining the principle behind the Schwarzschild Radius. The Schwarzschild radius (Rs = 2GM/c2) is defined as the size at which a spherical astronomical object has been […]

Full Tour of the International Space Station

In the following video, Expedition 20 Flight Engineer Michael Barratt provides a 20-minute tour of the International Space Station, documenting the full 167 feet of the space station’s pressurized modules. Barratts commentary describes to Mission Control in Houston how equipment and supplies are arranged and stored, and provides engineers with a detailed assessment of each […]

Virtual Medicine: Informed Consent in Second Life

By Casey Lynn Contributing Writer, [GAS] According to The Economist, the virtual world Second Life might be a new way to help those with learning disabilities understand (and therefore provide informed consent for) medical procedures and treatment options. A model of the Royal Sussex County Hospital is being built, where the avatars of study participants […]