Four years ago he hit upon the daring idea of landing on a moving glacier in a helicopter to measure its speed.

四年前，他偶然想到一个大胆的主意，乘直升飞机降落在流动的冰川上，测量其流动的速度。

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As I mulled over my missing more than half of each lecture, I suddenly hit upon an idea: Why not leave every other line on my note paper blank?

想着自己有半堂课的笔记记不下来，我突然灵机一动，干嘛不在笔记本上隔行留空呢？

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HOLLYWOOD's golden age may have ended in the 1950s, but it is only recently that Tinseltown appears to have hit upon a mathematical way to capitalise on our fickle attention spans.

好莱坞的黄金岁月也许在1950年代就结束了，但是直到最近他们才似乎不经意地使用了一种数学方法来利用我们易变的注意广度，即一个人能集中注意力于某一问题的时间。

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In the early 1990s he saw a PBS program on the microprocessor and Intel and hit upon another notion: Why not design a microchip for drug release?

FORBES: Magazine Article

Shelf-loads of business-advice books claim to have hit upon the secret, while would-be innovation gurus dine out on speaking fees.

FORBES: Ten People Who Could Change The World

This is definitely going to be a hit on those people - black, white and otherwise - who have been depending upon the auto industry to give them that leg up in the middle class.

NPR: Roundtable: Chrysler's Deep Cuts, 'Rebranding' Africa