6 April, 2012 Plasma flashlight for under $100. http://www.sciencedaily.com/releases/2012/04/120404210005.htm?utm_source=feedburner&utm_medium=email&utm_campaign=Feed%3A+sciencedaily+%28ScienceDaily%3A+Latest+Science+News%29 Share this:SharePrintPocketTelegramTweetShare on TumblrWhatsAppLike this:Like Loading... Related