Our reactor actually burns nuclear waste as fuel. So not only is it safe and powerful, it solves an important issue: It actually reduces nuclear waste instead of creating. It's the reactor of your dreams.

Most visions of extraterrestrial life are actually steeped in human hubris. The fictional extraterrestrials of 'Star Trek' or a hundred other space operas are less alien than many of my neighbors. And funny, the ones running the place are mostly WASPish men.

I've been on a team that won the world championship of barbecue. But barbecue's interesting, because it's one of these cult foods like chili, or bouillabaisse. Various parts of the world will have a cult food that people get enormously attached to - there's tremendous traditions; there's secrecy.

The cloning procedure is similar to IVF. The only difference is that the DNA of sperm and egg would be replaced by DNA from an adult cell. What law or principle - secular, humanist, or religious - says that one combination of genetic material in a flask is OK, but another is not?

If you had a really good - battery, it wouldn't matter that the sun goes down at night and the wind stops blowing sometimes. But at the moment, battery technology is nowhere near good enough to use at utility scale.

The ever-growing size of software applications is what makes Moore's Law possible: 'If we hadn't brought your computer to its knees, why would you go out and buy a new one?'

The best value for money in cooking equipment, in my mind, is first a digital scale and digital thermometer. They're both about $20. They help you cook so much more accurately that they're both enormously valuable.