October 14, 2006

room harmonics

One thing I often like to do when I’m alone is to find one of the sound harmonics of the room I’m in. I achieve this by humming in a variety of frequencies until I find one that sounds louder than all the others (without actually humming any louder). For those that have not done A-level physics, this is basicly caused by the sound wave of your voice and the sound wave of the resulting echo interfering with each other. Most of the time, this interference doesn’t have any percievable effect, but if you pick just the right frequency, Bingo! the whole room resonates to the sound of your voice. Try it! Bathrooms are paticularly good because of the echo. So are empty lecture theatres.

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  1. Dude, you’re not supposed to admit to things like this!
    I’ll admit to only ever trying it in the shower, and I discovered it by accident then. The shower in my student house that was, where the whole bathroom was tiled. Not thought about it elsewhere. Works in carpetted and wallpapered places with furniture?

    15 Oct 2006, 22:48

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