Laser creates brightest light on Earth By Roger Highfield, Science Editor Last Updated: 3:01pm BST 08/04/2008 The brightest light on Earth now shines in a laboratory in Texas, one which will enable scientists to create a tabletop star. The $14m Texas Petawatt laser reached greater than one petawatt - one thousand million million watts - of laser power in the past few days, making it the highest powered laser in the world, says Prof Todd Ditmire, a physicist at The University of Texas at Austin. The laser in action in the lab, the blue glass amplifiers can also be seen...