"wish we had big L-5 colonies with pedal powered copt..."

"we have to set up a demonstration contest with fatal..."

"Ah, the point of extracting energy from wheels: S..."

"As a kid, I used to participate in competitions to s..."

"Reminds me again what a charismatic fella Jack Black..."

"Why do I envision some "Editor of the Daily Planet" ..."

"Of course it's a pissing match! On the simplest p..."

"The refutations are not attacking a straw man, and t..."

"Now, if only we could somehow harness some of the re..."

"You can just email Adam Savage? That's pretty cool. ..."

"Okay spork can get a bit excited, especially if you ..."

"@JB Right, I read post #173, which is basically a r..."

"Yeah, except Noka's a joke(a). Noka's decent chocola..."

""..."

"Another thought inspired by Clay's post - For people..."

"As some in the Navy (and elsewhere?) say, a helicopt..."

"ThinAirDesigns: I apologise if I gave the impression..."

"I agree with #14. I'm unsure whether the DWFTTW clai..."

"#11,

Does that mean if you put two prop

""I have browsed the huge discussion in response t..."