感测器事件

This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. Real-time information about whats happening in our bodies at the cellular level could be crucial for fighting cancer and other life-threatening conditi

发表于:2018-12-24 / 阅读(62) / 评论(0) 分类 Scientific American(十二)月

One of the most exquisite heat sensors in the worldits not in some government lab. It's in the head of a snake. The pit viper, to be specific. They're incredibly sensitive. They beat any of the synthetic counterparts, even the most expensive semicond

发表于:2018-12-24 / 阅读(53) / 评论(0) 分类 2017年Scientific American(二)月

Great Event Teacher: What great event happened in 1809? Little Willy: Abraham Lincoln was born. Teacher: Correct. And what great event happened in 1812? Little Willy: Abraham Lincoln had his third birthday. 林肯过生日 老师:1809年发生了什么

发表于:2019-01-03 / 阅读(62) / 评论(0) 分类 英汉幽默故事选读

Well, I was born with a rare visual condition called achromatopsia, which is total color blindness, 我出生在一个色彩极少的世界,世界只有明暗之分,这叫做全色盲 so I've never seen color, 所以我不知道什么是颜色, a

发表于:2019-01-18 / 阅读(50) / 评论(0) 分类 TED演讲国际问题篇

Cat lovers of the world, rejoice! You finally have the chance to understand what your pet is saying thanks to a smart collar that can interpret feline meows and translate it into human speech. Aptly named Catterbox, the collar supposedly has a digita

发表于:2019-02-04 / 阅读(69) / 评论(0) 分类 实用英语

Nadal out of ATP event in London, Paris MADRID, Oct. 25 (Xinhua) -- Spanish tennis star Rafael Nadal, who has been out of action since June, will miss the ATP Tour Finals in London and also next week's Paris indoor event due to his injured left knee,

发表于:2019-02-07 / 阅读(62) / 评论(0) 分类 英语新闻