Original title: Canada's stealth shield is comparable to Harry Potter's Cloak
Among the five key words of Science in the first decade of this century, 'quantum' has great potential in the research of materials science. The 'quantum invisibility' shield developed by hyperstealt company of Canada can realize the invisibility effect by refracting the light behind the shield. At present, the company's camouflage material research and development project has been funded by the U.S. military.