Built on Facts

Archives for August, 2009

Nuke the Moon

Reader Scott writes in with a question: Okay, let’s assume something knocked the moon out of its orbit and it is going to crash into the earth in an arbitrary amount of time. (7 days?) You are humanity’s last hope. You have the entire nuclear salvos of the USA and Russia at your disposal, which…

Contra PZ

P.Z. Myers is not happy about Obama’s selection of Francis Collins to head the National Institutes of Health. Why? Well, as you probably know, Myers is an outspoken atheist and Collins is an outspoken Christian. Myers is happy to point out that his opposition is not due to Collins’ beliefs per se: Every single one…

Hot Hot Heat

A few days ago we calculated the radiative power output of a very radioactive source like cobalt-60. CCPhysicist suggests we also calculate its surface temperature. Sounds like a plan! A radioactive plutonium pellet, glowing red hot. Still much less radioactive than our hypothetical cobalt. It would be difficult to calculate the temperature of the sample…

Sunday Function

You know what’s gonna happen? I’ll tell you what’s gonna happen. Troops are now forming behind the line of trees. When they come out, they’ll be under enemy long-range artillery fire. Solid shot. Percussion. Every gun they have. Troops will come out under fire with more than a mile to walk. And still, within the…