This story on Slashdot talks about a snag that John Carmack has run into with his rocketry group.. here's a comment I found funny:
Hi My name is John Carmack and I'd.....yes the same guy that worked on doom and quake.......yeah I'd like to order several thousand gallons of....yes those games are violent, lots of blowing stuff up.....anyhow I'd like to order several thousand gallons of highly explosive and caustic peroxide in order to...Hello? Hello? damn.
And now, back to your regularly scheduled Doom coverage.