Hi-MDFor ExampleFilling your Hi-MDs takes a few scant moments with Sony’s MZ-NH1, sitting pretty in its combination USB 2.0 cradle and battery charger.
VitalsTakes 1GB Hi-MD discs; 3.25 x 3 x 0.59 inches; in-cord remote. $400; sony.com
Inside the TechRecordA red laser creates nonreflective bumps on a flat, reflective data track on the memory layer. It creates bumps smaller than it can read.
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.
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