Korea's 'artificial sun' sets a new record, withstanding 100 million degrees Celsius and maintaining it for nearly 50 seconds
according to science alert, south korea's kstar fusion reactor can withstand temperatures up to 100 million degrees celsius and maintain for nearly 50 seconds.China's artificial sun will be operational by 2020
china's artificial sun can reach temperatures of up to 200 million degrees celsius, 13 times hotter than the core core.