The depressing thing about battery technology is that it gets better, but it gets better slowly. There are a whole bunch of problems in materials science and chemistry that come in trying to make existing batteries better.

We pay for content that we like, and we like the content we pay for. It's a lot more satisfying to pay $7.50 for Steven Spielberg's next epic than it is to watch my home movies for free. Even for me.

For relatively modest amounts of sulfur dioxide injected into the atmosphere, you could easily cool Earth by 1% or more, if you want.

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?'

If you have a block of ballistics gelatin and a high-speed camera, pretty soon somebody gets a gun!

Don't let the secret recipe die with the inventor.

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.