Boffins in Shanghai, China, have been designing the world's most powerful laser. The team has already made history with its earlier invention, the Shanghai Superintense Ultrafast Laser Facility have already set records. The machine is small enough to fit on a tabletop, and contains a disc, the width of a frisbee, which is made of titanium-topped sapphires.(Snip)This year physicist Ruxin Li and his team are planning on building a laser that will pack a mind-boggling 100 petawatt burst. Called the Station of Extreme Light, the team hopes the laser will be able to tear a hole in the fabric of...