Read more irradiation stories on Newserhttp://www.newser.com/taggrid/33959/irradiation.htmlhttp://img1-cdn.newser.com/images/newser-black250x40.gifhttp://www.newser.com/2012 - Newseren-usNewser Feed GeneratorFri, 25 May 2012 19:17:58 CDThttp://www.newser.com/story/65718/scientists-upgrade-century-old-x-ray-tech.htmlRob Quinn<img src='http://img2-cdn.newser.com/getimage.aspx?mediaid=230231&width=45&height=45&crop=Y&updateddate=20110331220319' border='0' />A team of University of North Carolina scientists are working to bring X-ray technology into the 21st century, the Economist reports. The X-ray machines commonly used today rely on vacuum-tube technology little changed from a century ago, but physicist Otto Zhou and his colleagues have used nanotechnology to create smaller,...Workers line up to have chest X -rays to check for tuberculosis infection in this 1936 photo.http://www.newser.com/story/65718/scientists-upgrade-century-old-x-ray-tech.htmlFri, 31 Jul 2009 12:06:02 CDThttp://www.newser.com/story/35484/fda-approves-irradiation-of-spinach-lettuce.html<img src='http://img1-cdn.newser.com/getimage.aspx?mediaid=129220&width=45&height=45&crop=Y&updateddate=20110401004642' border='0' />Consumers worried about salad safety may soon be able to buy fresh spinach and iceberg lettuce zapped with just enough radiation to kill E. coli and a few other germs. The Food and Drug Administration will issue a new regulation tomorrow allowing spinach- and lettuce-sellers to take that extra step,...A farmer cuts spinach in a hydroponic farm.http://www.newser.com/story/35484/fda-approves-irradiation-of-spinach-lettuce.htmlThu, 21 Aug 2008 15:47:01 CDT