[临床] 血容量传感器

SSS 2008-12-18

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

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Scientific American(十二)月

SSS 2008-11-25

This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. Electronics come in all shapes and sizesbut theres been a limit on their flexibility. Now, researchers say theyve created electronics that can be shape

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Scientific American(十一)月

科学美国人60秒 SSS 2014-08-20

Do you like working up a sweat? Or do you feel like maybe sweat should work for you? Well, hold on to your sudoriferous glands. Because researchers have designed a device that could someday produce power from your perspiration. The schvitzy scheme wa

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科学美国人60秒 SSS Heat Sensor Has Snaky Sensitivity

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(116) / 评论(0)

2017年Scientific American(二)月

Lesson 176 - MAKE ONE'S BLOOD BOIL / MAKE ONE'S BLOOD RUN CO

大家都知道人的正常体温是摄氏37度。可是，你们可知道，在不同的情绪下，人血的温度可能变得滚烫，或者变得冰冷。这当然是不可能的，只是形像化的

发表于:2019-01-04 / 阅读(174) / 评论(0)

美国习惯用语

Lesson 175 - IN ONE'S BLOOD / FRESH BLOOD

今天我们要讲的两个习惯用语都和我们身体里的血有关。

发表于:2019-01-04 / 阅读(184) / 评论(0)

美国习惯用语

SSS 2009-04-15

This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. It's April 15th. Like many people around the country, you might be feeling your blood pressure rise as you deal with everyone's favorite activityfiling

发表于:2019-01-08 / 阅读(135) / 评论(0)

Scientific American(四)月

TED演讲:我们为什么会对机器人有感情(1)

There was a day, about 10 years ago, when I asked a friend to hold a baby dinosaur robot upside down. 大概10年前的一天，我让一个朋友头朝下地握持一个小恐龙机器人。 It was this toy called a Pleo that I had ordered, and I wa

发表于:2019-01-16 / 阅读(124) / 评论(0)

TED演讲科技篇

TED演讲:听到的色彩(1)

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

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运动休闲—笑比哭好知多少 Why do we laugh?

The reasons we laugh, including

发表于:2019-02-01 / 阅读(165) / 评论(0)

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重磅！三星推出新款智能手表Gear A

Details about Samsung's next big smartwatch have been trickling out for weeks. But now a new report gives us the most detailed look yet Samsung's next wearable. 关于三星下一代智能手表的细节已流传数周。但现下有一份新报告向我

发表于:2019-02-01 / 阅读(155) / 评论(0)

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The device is a tiny sensor, implanted through a catheter in the heart's pulmonary artery. The procedure takes just seven minutes. The patient passes a wand over his chest, collecting data on heart pressure. That data is sent electronically to the do

发表于:2019-02-02 / 阅读(116) / 评论(0)

VOA标准英语2010年(六)月

U.S. FDA approves first cord blood product

WASHINGTON, Nov. 11 (Xinhua) -- The U.S. Food and Drug Administration (FDA) on Friday approved HEMACORD, the first licensed hematopoietic progenitor cells-cord cell therapy. HEMACORD is indicated for use in hematopoietic stem cell transplantation pro

发表于:2019-02-03 / 阅读(188) / 评论(0)

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智能项圈助你听懂猫语

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(153) / 评论(0)

实用英语

2016国际消费电子展看点回顾

Here are some key highlights from the 2016 Consumer Electronics Show, which concluded recently: 2016国际消费电子展刚刚落下帷幕，以下是本届展会的部分看点： 1. Netflix stunned the show with the announcement that it added 130

发表于:2019-02-07 / 阅读(116) / 评论(0)

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小米将不会参加全球移动大会旗舰小米6延期发布

Rumors of a successor to Xiaomi's 2016 Mi 5 flagship smartphone have begun to heat up, but the company has cooled off any hype by announcing that it will skip Mobile World Congress this year. 虽然关于2016年小米5旗舰版后续型号的传闻越炒

发表于:2019-02-08 / 阅读(127) / 评论(0)

英语新闻

迪士尼将建“星球大战”园区

Disney has announced plans to build an enormous Star Wars land marking the biggest expansion in the theme park's history. 迪士尼宣布，计划建造一个《星球大战》主题的大型园区，这将是迪士尼史上最大的园区扩张。 I

发表于:2019-02-17 / 阅读(141) / 评论(0)

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俄罗斯测试现代化的反潜机

俄罗斯测试现代化的反潜机 MOSCOW, Jan. 5 (Xinhua) -- Russia's Northern Fleet will test a modernized anti-submarine aircraft, the Il-38N, which could be used in the Arctic region, a military official said Sunday. The plane has been enhanced

发表于:2019-02-18 / 阅读(96) / 评论(0)

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美科学家:糖尿病治疗的未来

Reporter: Keeping track of carbohydrate intake, monitoring blood-sugar levels, and injecting insulin is a never-ending cycle for diabetics trying to stay healthy. Labs at Harvard University and MIT have realized major advances in engineering to maint

发表于:2019-02-18 / 阅读(189) / 评论(0)

英语新闻

App让手机变身保镖再也不怕走夜路啦

If you've ever felt threatened walking home late at night, chances are you've phoned a loved one to make sure they know you're safe. 如果你深夜步行回家时感到害怕，你极有可能向你爱的人打电话，向他们报平安。 But maki

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