Our buddies over at Sound+Vision just posted a review of a gadget we've been excited about: the NuForce Cube, an absolutely tiny (2.5 inches!) cube of audio power. They seem to really love it--it's a remarkably capable little speaker, with power similar to the larger (but still tiny) Jawbone Jambox, but it's also a headphone amplifier for phones and mp3 players, plus a USB digital-to-analog converter for running audio from a computer out to an external device. For all that, it performs really well--read the whole review at S+V.
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.