A top physicist has claimed the Nimitz UFO was able to reach never-before-seen speeds thanks to a “metamaterial” that let it “time travel”.

The sighting of the “Tic Tac” craft off the coast of San Diego in 2004 has become one of the most famous UFO encounters of all time.

One of the most startling descriptions given by the fighter pilot witnesses was that it somehow dropped from 80,000ft to around 28,000ft in several seconds and 28,000ft to just above sea level in under a second.

Such a feat to reach sea level would mean the craft would have had to be travelling at 19,000mph – speeds unimaginable for Earthly craft.

But Dr Jack Sarfatti, a world-renowned expert in quantum physics and author of several books in the field, believes he knows what happened.

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