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The patent for one of these gadgets — a large, electromagnetic, vibrational wand — is Carrie’s only inheritance.

“Dawkins always said that if you see a rainbow and then they tell you something about wavelength and electromagnetic variation, the rainbow isn't destroyed,” Metzinger said.

Even a single, relatively small nuclear detonation hundreds of miles above the heads of Americans would create an electromagnetic pulse - or EMP - that would have apocalyptic results.

So they argue Diego Garcia's satellite communications would be threatened because the UK relies on a UN authority in Geneva to get access to a particular electromagnetic spectrum.

It could require years to fit with additional security systems and upgrades required to carry the president - including the ability to withstand the electromagnetic pulse from a nuclear blast, and to refuel mid-flight.