The widespread fluorescent tube depends on fluorescence. In the glass tube is a partial vacuum and a little number of mercury. An electrical discharge from the tube brings about the mercury atoms to emit gentle. The emitted light is within the ultraviolet (UV) array, is invisible, and it is http://eduardolyjzk.diowebhost.com/49965096/5-tips-about-bio-fluorescence-you-can-use-today