We're more familiar with what economists call an English auction - prices start low and rise as people bid. However, there is also the Dutch auction, where prices start high and go lower until somebody bites. Movies are sold to the audience via a very slow Dutch auction, where each phase between price drops can last weeks or months.

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.

New online formats gutted the newspaper-ad business. Why pore over tiny print looking for a job in the want ads when you can tap a few keywords into monster.com, then click through and apply? Why pay a steep per-character rate for a classified when you can hawk a whole garage full of used stuff on EBay or Craigslist for free?

The scientific method is the ultimate elegant explanation. It is the ultimate foundation for anything worthy of the name "explanation". It makes no sense to talk about explanations without having a process for deciding which are right and which are wrong, and in a broad sense that is what the scientific method is about. All of the other wonderful explanations celebrated here owe their origin and credibility to the process by which they are verified-the scientific method.

Regardless of how it's done, transaction costs will continue to plummet as computers get more powerful. Low transaction costs are a wonderful thing if you're in the transaction business. They're wonderful for consumers too, making it cheaper and easier to buy things and creating new things to buy.

The simplest fix for better grilling is to line the inside of your barbecue with tin foil. It dramatically affects how evenly the heat is distributed. That crusty black hibachi or Weber grill is doing your food no favors.

Computing has gone from something tiny and specialized to something that affects every walk of life. It doesn't make sense anymore to think of it as just one discipline. I expect to see separate departments of user interface, for example, to start emerging at universities.