Archives for April 20, 2009

The Hand of God in Space?

Someone at the New York Daily News must have started celebrating April 20th a bit early. Because this beautiful supernova remnant, with a spinning, pulsing neutron star at the center: is no excuse to run a poll asking readers if this is either the Hand of God or a natural stellar formation. I could tell…

Making Fire with Physics

In celebration of April 20th, I thought I’d show you a method for making fire that’s so neat it will work — without fuel or chemicals — both on Earth (left) and in space (right). We’re going to do it without a match, without a lighter, and without friction. That’s right, the next time someone…