Laser-powered 'needle' promises pain-free injections
Thursday, September 13, 2012 - 12:10
in Health & Medicine
From flu shots to immunizations, needle injections are among the least popular staples of medical care. A new laser-based system that blasts microscopic jets of drugs into the skin could soon make getting a shot as painless as being hit with a puff of air. The system uses a laser to propel a tiny, precise stream of medicine with just the right amount of force.