Tag Archives: MedicalTechnology
Telescopic contact lenses magnify sight 2.8 times, turn wearer into cyborg
Interested in upgrading your eyeballs? Well, a team of DARPA-funded researchers led by Joseph Ford of UC San Diego recently published a proposal for a new type of telescopic contact lens in Optics Express. Designed for people with age-related macular degeneration, the lenses are only 1.17mm thick and can magnify images up to 2.8 times. Their layered construction admits light near the outer edge of the lens, bouncing it across a series of tiny aluminum mirrors before transmitting it to the back of the retina, kind of like the origami-optics lens. Telescopic sight can be toggled on and off by using a pair of 3D glasses to switch the polarization of the central part of the lens. It sounds promising, but the lenses -- pictured after the break -- currently have some obstacles, like gas-impermeable materials unsuitable for long-term wear and sub-par image quality. Want to read more? Pop on your glasses and check out the full paper at the source link below.
Via: Extreme Tech
Source: Optics Express (PDF)
Researchers develop cell spray to repair hearts, healthy dose of electricity included
Spray-on solutions have found a place in green technology and even in transmitting radio waves, and they're no strangers to medical research, either. Researchers at the British Heart Foundation are working on a bioelectric spray composed of heart cells to help mend that most vital of organs. Because the cells need to be extremely thin to form a sheet of heart tissue, they are passed through a conductive needle that charges them with up to 30,000 volts. Exposing the cells to an electric field turns the solution into small droplets, which in turn form the cardiac sheet. The scientists can also add other types of cells to create "three-dimensional" tissue, which can be grafted onto injured hearts or sprayed onto scar tissue to help patients' tickers pump more strongly. As is so often the case, the next step will be testing the technology on animals, and the project's ultimate goal is to use this spray-on solution rather than making patients wait for donor hearts.
Filed under: Science
Researchers develop cell spray to repair hearts, healthy dose of electricity included originally appeared on Engadget on Fri, 03 Aug 2012 22:53:00 EDT. Please see our terms for use of feeds.
Permalink | | Email this | CommentsNokia and X-Prize put medical sensors on the spot for next challenge
Sometimes the X-Prize foundation gets a little ahead of itself. We couldn't get a private mission to the moon off the ground and apparently we can't built a tricorder either. But, we can take baby steps. Presumably that's what the newest X Challenge is all about. The group has teamed up with a certain Finnish phone maker to introduce the Nokia Sensing X Challenge. Rather than dive head first into Star Trek tech, the two are offering $2.25 million to further the development of health sensors and their associated technology. Nokia's interest is clear: it's widely expected that those tricorders of our dreams will one day become a reality and take the form of our cellphones. The challenge will actually be broken up into three different events to be held over the next three years, with many of the same competitors expected to follow up by entering Qualcomm's competition. For more, check out the PR after the break.
Continue reading Nokia and X-Prize put medical sensors on the spot for next challenge
Nokia and X-Prize put medical sensors on the spot for next challenge originally appeared on Engadget on Fri, 25 May 2012 21:23:00 EDT. Please see our terms for use of feeds.
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