If you had to name two futuristic inventions that can be found today would probably maglevs lasers and these vehicles almost magically levitating through the effect of magnetism and get impressive speeds.
Aoyama Gakuin University in Japan have united both concepts to give a curious invention: a magnet that levitates on a metal surface and moves chasing a point of light.
The metal surface comprises a matrix of small magnets. The material on the...