The options are a very useful technology for managing risks and I think that we'll see a rapid--Over the next few decades, we'll see rapid expansion in the scope of options contracts traded on the exchanges.

期权是管理风险的,一个非常有用的技术,我认为在往后的几十年,交易市场上,我们将会看到期权合同的迅速发展

耶鲁公开课 - 金融市场课程节选

Sighting in a target through the scope of a high-caliber rifle can be a bit more complicated than it sounds -- snipers have to account for cross-winds, range and a whole host of external factors that could put their projectile off course.

ENGADGET: DARPA calls on Cubic Corporation to develop frighteningly accurate One Shot XG sniper rifle

With climate negotiations apparently going nowhere - reports from Bonn this week indicate a whole new outbreak of division - is there scope in Rio for a Big Idea on energy?

BBC: Big summit seeks big idea

The program, known as "Biometrics-at-a-distance, " would essentially combine two pre-existing Pentagon projects: the Radar Scope, a device that can see through walls, and 2009's LifeReader, a system that uses Doppler radar to detect heartbeats.

ENGADGET: DARPA to develop biometric sensor capable of seeing through walls, pulling your heartstrings