News Physics It lives and lases Coherent light from a cell By Devin Powell June 12, 2011 at 4:05 pm - More than 2 years ago Share this:Share Share via email (Opens in new window) Email Click to share on Facebook (Opens in new window) Facebook Click to share on Reddit (Opens in new window) Reddit Click to share on X (Opens in new window) X Click to print (Opens in new window) Print The first living laser is nothing to be afraid of. It’s just a single cell pulsing with light that may lead to new ways of probing microscopic realms. LASER LIFE A genetically engineered cell creates laser light (green) using a protein first discovered in jellyfish. M.