It was on this day 50 years ago when the launch of a prototype rocket known as the R-16 went seriously wrong.
五十年前的这一天，R - 16火箭原型的发射出现严重错误。
It was the tweaker's tweaker, Richard Roberts, who saved the day, producing a prototype, in 1825, and then an even better solution in 1830.
正是RichardRoberts，巧匠中的巧匠，他挽救了时间，在1825年制造了原型机，然后在1830年做出更好的解决方案。
The early results of Kenya's prototype village, in Sauri in western Kenya, where two-thirds of the people, Luos, live on less than $1 a day, are astonishing.
他们在肯尼亚西部的萨乌里的一个模范村落里进行了试验，那里住着的三分之二的罗部落人民每天花销还不到1美元，而初期试验结果让人惊喜不已。
It was a weekend day last spring, and Page, 38, was playing around with an early prototype of Google + on his Android phone.
当时是去年春天的一个周末，38岁的佩奇正在安卓(Android)手机上试用Google +的早期样品。
It was a weekend day last spring, and Page, 38, was playing around with an early prototype of Google + on his Android phone.
当时是去年春天的一个周末，38岁的佩奇正在安卓(Android)手机上试用Google +的早期样品。
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