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Infrared laser shown to quicken heart rate, gives hope for ultra-small pacemakers
Here's an interesting one. Just years after a researcher in Japan realized that lasers could stimulate nerves, a professor of biomedical engineering at Vanderbilt University along with cohorts from Case Western Reserve have found that the same is true with the heart. By using an Infrared laser on an early embryonic heart, tests were able to show that the muscle was "in lockstep with the laser pulse rate." The crew also found no signs of laser damage after a few hours of experimenting, though obviously more extensive research would be required before any medical agency allowed such a device to be beamed underneath a human chest. The hope here is that this discovery could one day lead to ultra-small, implantable pacemakers, or better still, to "pace an adult heart during surgery." There's nary a mention of when this stuff will actually be ready for FDA oversight, but there's a downright creepy video of it all in the source link. Consider yourself warned.
Kindle DX college plans revealed: only 300 students total
We knew the Kindle DX pilot programs at Arizona State, Case Western Reserve, Princeton, Pace, Reed, and Darden School of Business at the University of Virginia would be limited in number, but it sounds like students at those schools will have be extremely lucky or well-connected to get their hands on Amazon's latest -- according to Pace reps at today's launch event, each school will only receive around 50 Kindle DXs for the trial. That's just about 300 total Kindles, and it makes Amazon's crowing about revolutionizing education seem a little hasty. Not only that, but it's not like the program is particularly ready to go, either: the schools still haven't figured out which classes they'll try and switch over to the Kindle, instructors have yet to be brought on board, and it's still not clear whether Amazon or the schools themselves will pay for the Kindles, although students will definitely have to shell out for the books. That's a lot of dealmaking to get done -- looks like Amazon just gave itself some summer homework.
