Gravity is a downer
Plasma is another matter
Black holes suck
Friction can be a drag sometimes
A day without fusion is like a day without sunshine
What did the neutrino say to the earth? "Just passing through."
Quasars are far out.
The subatomic particle store had a sale last week.
Electrons: $0.10
Protons: $0.10
Neutrons: Free of charge
Q: How many quantum physicists does it take to change a light bulb? A: None, once they have observed it is out it has already changed.