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Perhaps a better answer is something like a MicroOptical/GoogleGlasses display, which I imagine would require far less power. Lose the big display, and perhaps the rest of the device could be squeezed into a Twiddler-like chord keyboard. On Fri, Mar 16, 2012 at 2:49 PM, Tom Metro <tmetro-blu at vl.com> wrote: > Richard Pieri wrote: >> I see room-scale broadcast power as being the real game-changer. > > Nah. I think if you dig deeper into this you'll find that the power > potential just isn't there. To capture the power needed in a small > portable device would exceed what the laws of physics allow for. > > Though that's relative to power requirements. If you have a tablet that > uses 1/100 (maybe less - I haven't done the math) the power of current > tablets, then it might fly. As you noted, this approach works for RFID > tags, but their power need relative to their antenna size makes this viable. > > >> I see batteries as being a dead end. ?They're entropic, which is a fancy >> way of saying that they wear out with use. ?It's inescapable. > > Agreed. But the answer is super capacitors. They're doable within the > laws of physics. It's just a matter of material science. > > ?-Tom > > -- > Tom Metro > Venture Logic, Newton, MA, USA > "Enterprise solutions through open source." > Professional Profile: http://tmetro.venturelogic.com/ > _______________________________________________ > Discuss mailing list > Discuss at blu.org > http://lists.blu.org/mailman/listinfo/discuss -- John Abreau / Executive Director, Boston Linux & Unix OLD GnuPG KeyID: D5C7B5D9 / Email: abreauj at gmail.com OLD GnuPG FP: 72 FB 39 4F 3C 3B D6 5B E0 C8 5A 6E F1 2C BE 99 2011 PGP KeyID: 32A492D8 / Email: abreauj at gmail.com 2011 PGP FP: 7834 AEC2 EFA3 565C A4B6 ?9BA4 0ACB AD85 32A4 92D8
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