Zero Gravity Lover Mugs

Astronaut runs on spinning asteroid to reach space shuttle's tether.

Paraplegics in Space

'You forgot to pay the gravity bill, didn't you?'

High-gravity baseball

Museum. They were an ancient culture that worshipped the concept of zero. "Nothing" was sacred.

'I thought we'd never break through those clouds!'

A Newton's cradle wrecking ball.

Maitre d' to astronaut couple entering restaurant: 'Gravity or no-gravity?'

'A little squirt like Graubart would theorize that the Universe is contracting!'

'There goes another one. Galileo, don't you have any idea what makes them do that?'

The Soundness of Newton's Laws

Newton's vacation

The One That Newton Missed

Young Isaac Newton's first encounter with gravity.

Guru levitates while wife vacuums.

Newton discovers surrealism

'Does the 'What goes up, must come down' theory apply to heaven?'

Flatulence in space...

'I see accounting forgot to pay the gravity bill again.'

Spaceman serving shrimp.

Sir Isaac Newton discovers even more gravity.

'Why didn't you tell me there was a toilet attachment on our space suits?'

'Space is curved and time is relative, eh? -- Is this your way of asking for a day off?'

Sir Isaac Newton in Heaven. Bobsledders, snowboarders, skiiers, lugers. Just once I'd like to see a winner thank gravity!

"This is bad."

'How Sir Isaac Newton discovered swing bowling'

"Personally, I find it counterintuitive."

"I'm going to call it zero."

"I used to love the sight of zeros."

"I hate how my limbs flail about in zero gravity!"

Proponent of 11-dimensional supergravity trying to diagram it.

Guru.

Paratrooper School.

'Well, this just seems indulgent.'

'I have to go, Maureen...I think the world's stopped rotating...'