What's Stephen Hawking's worst nightmare?
Stairs.
Hawking's Nightmare
Categories
Explanation
Experiment
Explain Bear
Listen up, buttercup. Stephen Hawking was a smarty-pants scientist who used a wheelchair because he was sick. Stairs are a real pain when you can't walk, so that's his "worst nightmare." Get it now, genius?
Death&Decay
I assume that's yours too kiddo
Anonymous
Maybe stares when people stare at him.