News Story | Free-Form Linguistic Input In Mathematica 8. Lifehacker, tips and downloads for getting things done. Kurt Vonnegut's Tips for Writing Fiction. How to Crack a Wi-Fi Network's WEP Password with BackTrack. Low-cost Spherical Speaker Array. The goal of this project was to be as cheap as possible. You'll want eight (8) loudspeakers. I would have used these speakers: $5.50 speaker but All Electronics was out of them. I got these, instead: $7.50 speaker The important considerations were an impedance of 8 ohms (which is normal for home stereo speakers) and good frequency range. While at All Electronics, get some Speaker Terminals. I used four (4) "quad" terminals, but the four-pair ones look good. (NB: If all electronics doesn't have these anymore. The other major elements in this project are the bowls.
Reda Bowls Insanely cheap. UPDATE: These bowls are no longer sold by IKEA. Finally, the miscellaneous hardware. 8 speakers x 4 mounting holes = 32. Also: - weather stripping - speaker wire ( I had some 18 gauge stuff lying around the house, the project only needs a few feet.) - heat shrink tubing. How to Set Up Time Machine to Back Up to a Networked Windows Computer. Brownian Motion [Processing] - stochastic behaviour by Pedro M Cruz.