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 prize for ultimate inefficiency goes to America. We have built in so many checks and balances that our 'leaders' are the most thoroughly hogtied of any on Earth.

Anybody who can afford a box of business cards can afford a Web site. Any company with an 800 number can move its services to the Web for peanuts by comparison. The extreme case of corporate promotion is to strip away all other aspects of your business and sell goods or services via the Net alone, as amazon.com has done with books.

When we first did 'Modernist Cuisine,' I think most people in cookbook publishing would have said, 'This is insane.'

One of the things that I love to do is travel around the world and look at archaeological sites. Because archaeology gives us an opportunity to study past civilizations, and see where they succeeded and where they failed. Use science to, you know, work backwards and say, 'Well, really, what were they thinking?'

If I say I've got two versions of Word - that old one from 1982 that's perfect, with zero defects; or the new one that's got all this cool new stuff, but there might be a few bugs in it - people always want the new one. But I wouldn't want them to operate a plane I was on with software that happened to be the latest greatest release!

In politics, religion and other areas of culture, people disagree on the worth of competing ideas. There is no equivalent to the scientific method that can determine in a robust way which ideas match the real world, and which ones can be ruled out. So conflicting ideologies persist indefinitely.