It seems a person can spend up to 1.5 minutes in a hard vacuum with no irreversible damage (though you will be blind for a while -- yet another thing to warn sons about?).

http://www.damninteresting.com/?p=741

Thanks to prof_botherton

Astronomy Professor and Sci Fi author prof-brotherton has posted a ton of useful astronomical links including a tool to see where the stars will at any time, a phase of the moon calculator, and other wonderful gadgets.

Intelligent Design takes on the Theory of Gravity:
"Gravity is a theory, and a poorly supported one at that."This is a satire piece, but I find it strangely believable. In fact, I had to do a little research to make sure the Loon was actually a satire paper and not a real one ( Read more... )

The navy has released a video of a railgun firing.

The railgun fires an aluminum slug at Mach 7, which is fast enough to make air ignite. The slug hits its target at Mach 5.

See the gun fire and/or read an article about the science.

Have you ever wondered what sort of damage your house would sustain if a city within 250 miles was hit? Well, now you can find out.

A 20-year study of bacteria (over 44,000 generations) offers scientific evidence of evolution."Many species of bacteria can eat citrate, but in an oxygen-rich environment like Lenski's lab, E. coli can't. The problem is that the bacteria can't pull the molecule in through their membranes. In fact, their failure has long been one of the defining ( Read more... )

If you ever wondered how magnetic fields work, you've got to see this. It's beautiful!
http://www.animateprojects.org/films/by_date/2007/mag_mov

Thanks to jaylake

http://www.thestar.com/Business/article/300042
purloined from jaylake

Science says so. But anyone that plays Amtgard already knows that. Really lookin' forward to slayin' some newbs tomorrow.
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Purloined from ladyjanelly