Merely going unseen won't silence your footsteps or neutralise your body heat. Now researchers are working on true stealth
The most cunning paint job may be no use as camouflage. It won't do much to hide you from the prying eye of a thermal camera, or silence an inadvertent sneeze. Even something as subtle as a shadow can give your presence away. To win in the ultimate game of hide-and-seek, what you need is an invisibility cloak that goes way beyond simply not being visible.
That might seem a tall order, yet researchers are racing to perfect the technology. So could their devices make you disappear completely? This is where the future of concealment begins to look hazy.
First, consider what it would take to make you vanish. If you could wear something that ...
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