My company invents all kinds of new technology in lots of different areas. And we do that for a couple of reasons. We invent for fun - invention is a lot of fun to do - and we also invent for profit. The two are related because the profit actually takes long enough that if it isn't fun, you wouldn't have the time to do it.

Ultimately, my Ph.D. is in mathematical physics, focusing on quantum field theory and curved space-time, and I worked with Stephen Hawking.

If you have two steaks, one that's an inch thick, one that's 2 inches thick, how much longer does the thicker one need to cook? It's four times as long. It goes roughly like the square. How come cookbooks don't tell you that?

It is better to predict dramatic things that don't happen than boring things that do.

Pressure cookers are relatively inexpensive, they're in every kitchen store, your grandma probably had one, but a lot of people don't. A pressure cooker is interesting because by pressurizing the vessel, you're able to cook much hotter than the boiling point of water, and still have water be present.

The magic words 'on the Internet,' if inserted into nearly any sentence, seem to protect it from normal critical scrutiny.

Among modern occupations, only cult leaders and TV weathermen rival the technological visionary's ability to retain credibility despite all evidence to the contrary.