Lasers could rapidly make materials hotter than the Sun
http://www3.imperial.ac.uk/newsandeventspggrp/imperialcollege/newssummary/news_13-11-2015-10-11-57
good make t1/2 shorter two....
http://www.icenes2007.org/icenes_proceedings/manuscripts.pdf/Session%2011/LASER%20ENHANCED.pdf