Recent content by heavyrocks

I'm starting a restaurant in n-dimensional hyperspace and need some good ideas for recipes. Here's the menu so far: Entrees (also available a la Descartes): Tesseract of Lamb Angstromboli Minkowski Sausage Split Peano Soup Dedekind Cutlets Sides: Borromean Onion Rings Deserts...

At the apex of the cone the math gets hairy, frequency becomes arbitrarily large.

Assuming the shock wave doesn't ruin your ears/science-grade microphone.

At exactly mach 1, there is just a pressure front, but once you go faster than the sound waves themselves, all the wave fronts except the one you're currently emitting are behind you.

MFB, you're right on the money, that's where I saw it. Thanks a googol.

Let's say I have an indestructible speaker and I launch it out of a cannon at Mach 1.5 while it's playing music. (To make things simple, it also has an iPod and battery attached to it.) If the speaker passes a stationary observer, will they hear each cycle of the sound wave from the speaker in...