Most of us have been somewhere Stephen Hawking hasn’t: Upstairs.
Hawking's Upstairs Inaccessibility
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Explain Bear
Listen up, chucklehead! This joke is all about Stephen Hawking, who was a smart dude but couldn't climb stairs because he was in a wheelchair, ya dingus. It's funny 'cause most folks can walk upstairs, but not Hawking. Get it now, or do I need to draw you a picture?
Anonymous
What colour is Stephen Hawkings house ? It's a bungalow.