By Bryan Gardiner
Posted 03.15.2012 at 5:15 pm 9 Comments
An audiophile can spend thousands of dollars on one speaker—a multi-driver tower that can produce a broad range of frequencies clearly at high decibel levels. But even the best speaker, or an entire home theater full of them, will typically sound its best in only one spot: the sweet spot. THX has designed a speaker, the Steerable Line Array, that produces up to eight sweet spots. No matter where a person sits, he’ll hear near-perfect audio.
Five amazing, clean technologies that will set us free, in this month's energy-focused issue. Also: how to build a better bomb detector, the robotic toys that are raising your children, a human catapult, the world's smallest arcade, and much more.