10K views · 273 reactions | Technological developments have opened the door to the possibility that Harry Potter's invisible cloak could go from magic to reality. Chu Junhao, an infrared physicist and the academician of the Chinese Academy of Sciences, demonstrated "invisibility" at a scientific event. He made his legs disappear directly with the help of a magical material called "lenticular grating" that allows light to be refracted regularly. | China Focus | Facebook