Nothing is hotter than the sun, except China's artificial sun. (Photo : STR/AFP via Getty Images)Technical personnel checks the Chinas HL-2M nuclear fusion device, known as the new generation of "artificial sun", at a research laboratory in Chengdu, in eastern China's Sichuan province China's artificial sun could possibly outshine our own sun after reports have stated that the fusion reactor just got five times hotter, setting a new personal and world record.