A promise is a promise
While on the nerd theme....
Q:What do you call a joke that is made of cobalt, radon, and yttrium?
A:CoRnY
Q:How do angles pick each other up at bars?
A: "What's your sine?"
Q:What do you call a test tube with a college degree?
A:A graduated cylinder!
And my personal favourite:
Q: Why did the white bear dissolve in water?
A: Because it was polar!
Q:What do you call a joke that is made of cobalt, radon, and yttrium?
A:CoRnY
Q:How do angles pick each other up at bars?
A: "What's your sine?"
Q:What do you call a test tube with a college degree?
A:A graduated cylinder!
And my personal favourite:
Q: Why did the white bear dissolve in water?
A: Because it was polar!

