British Columbia-based Hyperstealth Biotechnology claims to be working on an extraordinary “invisibility cloak” that would render its wearer virtually invisible. Citing security concerns, the camouflage-design company has yet to provide anything beyond mock-ups of the Quantum Stealth cloak, but explained that the fabric works by bending light around a person, enabling them to disappear into the environment. While the technology may seem fantastical—its inventors have compared the fabric to Harry Potter’s magical coverup—Hyperstealth Biotechnology insists that they have the backing of the U.S. Pentagon and the Canadian military.


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