PhysicsLaser beams have gravity and can warp the fabric of the universe Even though laser beams have no mass, they do have a tiny amount of gravity, which allows them to drag and warp space and slow down time as they propagate ¿ìè¶ÌÊÓÆµ
TechnologyWatch a blast of sound turn floating drops into bubbles Sound can counteract gravity, making droplets float in the air. It can also turn them into bubbles, which could prove useful for creating hollow materials ¿ìè¶ÌÊÓÆµ