An invisible tank has been created by the British Ministry of Defense, according to the Daily Mail. I'm skeptical, but unable to resist the story.
One problem I have with the story is that there are no pictures (yes, I know - "of course there are no pictures... it's invisible!") but you would think there would be something.
A soldier, who was at the trials, said: "This technology is incredible. If I hadn't been present I wouldn't have believed it. I looked across the fields and just saw grass and trees - but in reality I was staring down the barrel of a tank gun."
Professor Sir John Pendry, of Imperial College London, said the only drawback was the reliability of the cameras and projectors.
Science fiction fans have long been familiar with cloaking devices (Star Trek - 1966) and invisble cloaks (Ray Cummings - 1931); also, don't forget a popular example of a disappearing vehicle; the Aston Martin Vanquish that disappeared in the icy Die Another Day.
(Maybe it should be the Aston Martin Vanish.)
Also, those who are fans of Ghost in the Shell will remember the tachikoma spider tanks. These fighting autonomous robot tanks can also become invisible; however, even an invisible tachikoma tank has a shadow.
Moscow Attacked By Hundreds Of Drones
'It hurtled on down with inconceivable speed until it was visible as thousands of tiny robot planes...' - Hal K. Wells, 1942.
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Boy Makes Biomimetic Turtle Robot
't came out into plain view. Darkington glimpsed a slim body and six short legs of articulated dull metal.'
Elon Musk Wants Data Centers In Space
'Internally it’s made up of millions of components, but the most important ones are the thinking and memory parts of the Mind proper.'
Origin F1 Humanoid Robot's Facial Skin
'I could look down at that face of carefully molded synthetic rubber, tinted the exact shade of the doctor's living flesh.'