LOL!In your face, Stephen Hawking!
I've had my own issues with Dr. Hawking; I won't elaborate on that . . .
If this stuff is for real, we should be grateful we're being visited by the Good Guys -- since they seem to have demonstrated their ability to disarm our nukes -- BUT --
-- they can have my gun when they pry it from my -- oh, never mind, I'll just invite 'em in for coffee and ask 'em if they'd care to read my manuscript.
If they turn out to be Jehovah's Witlesses, THEN I'll shoot 'em!