Jokes from Brian Cox’s twitter feed.
A bar walks into a man… Sorry, wrong reference frame.
A photon checks into a hotel and is asked if he needs any help with his luggage. He replies “No, I’m traveling light!”
“Know any good jokes about Sodium?” … “Na.”
The barman said “Sorry, we don’t serve time travelers.” A time traveler walks into a bar.
If you are not part of the solution, you’re part of the precipitate.
“You passed your exam in many parallel universes—but not this one.”