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by Zamfir
Thu Aug 28, 2008 12:12 pm UTC
Forum: Science
Topic: Simulated Sonic Boom?
Replies: 12
Views: 1756

Re: Simulated Sonic Boom?

i know that a sonic boom occurs when an object, lets say an airplane, moves fast enough to produce a wall of air in front of it made of the repeated constructive interference of its own sound waves, then proceeds to move faster than sound through that wall of compressed air. is that all right? I've...
by Zamfir
Thu Aug 28, 2008 9:32 am UTC
Forum: Science
Topic: Favorite Perpetual Motion Machines
Replies: 105
Views: 11238

Re: Favorite Propetual Motion Machines

seraph, I completely misunderstood a critical part of your explanation, which is why I thought it wouldn't work. For others who might miss the same thing, I'll write it down. The lines of the light coming from the objects do not pass through the centers of the objects (foci of the ellipses)....
by Zamfir
Wed Aug 27, 2008 6:37 pm UTC
Forum: Science
Topic: Favorite Perpetual Motion Machines
Replies: 105
Views: 11238

Re: Favorite Propetual Motion Machines

Seraph and skeptic, are you guys sure the 'magnification' theory for the mirror problem is correct? As I see it, your explanaton is a mechanism how not fully 100% of the radiation from F1 ends up in F2, but instead 100%-x . But I would say x would be proportional to the diameter of the objects, and ...
by Zamfir
Wed Aug 27, 2008 3:36 pm UTC
Forum: News & Articles
Topic: Russia Supports Ossetian, Abkhaz Independence
Replies: 19
Views: 1687

Re: Russia Supports Ossetian, Abkhaz Independence

I think the story is little bit more complicated then "at least he's our son of a bitch" cynicism. Even if this is only about spheres of influence, European history suggests that being in the American sphere is a whole lot better then in the Russian sphere. Most pople in the former Eastern...

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