Forget Harry Potter and his "invisibility cloak" -- theoretical physicists in the UK and US have proposed a clever way of making objects invisible. It would involve surrounding the object by a ...
Can you feel the heat? To a thermal camera, which measures infrared radiation, the heat that we can feel is visible, like the heat of a traveler in an airport with a fever or the cold of a leaky ...
Results that may be inaccessible to you are currently showing.
Hide inaccessible results