Their robot moves so fast that it changes colour due to the Dopler Effect. By rapidly alternating between driving away from the viewer (Redshift) and driving toward the viewer (Blueshift), they can make the viewer see it in their traditional purple colour. - philso [more]
Their robot moves so fast that it changes colour due to the Dopler Effect. By rapidly alternating between driving away from the viewer (Redshift) and driving toward the viewer (Blueshift), they can make the viewer see it in their traditional purple colour. - philso [more] 
