User blog comment:Maki Kuronami/Lesson 15: Faunus and Robots and Reveals... and Burne and Joel./@comment-5217560-20131101020721/@comment-68.226.106.213-20131101133147

Einstein said that energy = mass x the speed of light squared. In English, anything moving faster then the speed of light will GAIN mass and become heavier if it is affected by gravity. SCIENCE!!