压电石英质量敏感器

60秒科学:用身体动作来充电电池植入的医疗设备

最新研制一种新的医疗设备，可以利用身体动作来充电。 Novel materials could allow the implantation of flexible, rechargeable batteries that would constantly recharge from the body's own movements--even just breathing. Cynthia Gr

发表于:2018-12-07 / 阅读(207) / 评论(0)

60秒科学

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

发表于:2018-12-24 / 阅读(178) / 评论(0)

Scientific American(十二)月

SSS 2010-09-24

This is Scientific Americans 60 Science, Im Cynthia Graber. Thisll just take a minute. Batteries add weight, and they need recharging. Thats serious business for implanted medical devices. When the batteries die, patients sometimes have to undergo an

发表于:2018-12-24 / 阅读(149) / 评论(0)

Scientific American(九)月

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(165) / 评论(0)

2017年Scientific American(二)月

侏罗纪搏击俱乐部第168期:全球变暖是罪魁祸首

The K-T boundary marks the end of the age of dinosaurs, and the beginning of the age of mammals. KT界限层标志着恐龙时代的终点和哺乳动物时代的开端。 But does the K-T boundary really signify the absolute end of all dinosaurs? 不过

发表于:2018-12-28 / 阅读(160) / 评论(0)

侏罗纪搏击俱乐部

可以录音和发声的衣服(有声)

M.I.T. researchers have developed a piezoelectric fiber that would react to electric currents and have the potential to record or produce audio. Clothing is so yesterday. I mean, really, what can it do? It cant pick up sound, or beep at us if somethi

发表于:2019-01-02 / 阅读(151) / 评论(0)

60秒科学

盖茨:机器人也应缴所得税

Robots have at least one unfair advantage over human workers: they do not pay income tax. 与人类劳动者相比，机器人至少有一个不公平的优势：不用缴所得税。 Bill Gates, co-founder of Microsoft and the worlds richest man, th

发表于:2019-01-07 / 阅读(163) / 评论(0)

英语新闻

2012年11月3日雅思阅读机经[A类]

考试日期： 2012 年 11 月 3 日 Reading Passage 1 Title: The dinosaurs footprints and extinction Question types: YES/NO/NOT GIVEN, Summary 文章内容回顾文章从恐龙的脚印开始讲恐龙的灭绝。英文原文阅读 Mass Extinction

发表于:2019-01-08 / 阅读(198) / 评论(0)

雅思机经

TED演讲:为什么玻璃是透明的(1)

Take a look out your window, put on your glasses if you wear them. 向窗外张望一下，有必要的话，戴上眼镜。 You might want to grab a pair of binoculars, too, or a magnifying lens. 也许你还想拿副望远镜或是放大镜。 Now,

发表于:2019-01-17 / 阅读(136) / 评论(0)

TED演讲教育篇

灯具专业英语词汇

紧凑型荧光灯 Compact Fluorescent Lamp 金卤灯 metal halide/halogen lamp 溴钨灯 Bromine tungsten lamp 汞灯 mercury lamp 钠灯 Sodium lamp 卤钨灯 Halogen tungsten lamp 碘钨灯 iodine tungsten lamp 氖灯/霓虹灯 neon lamp 石英灯

发表于:2019-01-17 / 阅读(189) / 评论(0)

实用英语

Twitter的收入数字反映了网络从桌面到电话的总体转变

JUDY WOODRUFF: And now to a second tech story, this about the public launch of Twitter.The social media giant announced late yesterday that it plans to raise $1 billion by offering shares soon through what's called an IPO. Started just seven years ag

发表于:2019-01-22 / 阅读(167) / 评论(0)

PBS访谈商业系列

生活大爆炸第二季第十七集_3

What? No, don't put me on hold. on hold：等着通电话什么? 别啊，别让我再等了。 -Howard：Do you believe him? 能相信吗？ Normally around women, he has the personality of a boiled potato. Normally：通常 personality：个性 bo

发表于:2019-01-28 / 阅读(175) / 评论(0)

生活大爆炸第二季

VOA常速英语2008年-Pope Ends US Visit With Mass at Yankee Stadium

By Barbara Schoetzau New York 20 April 2008 Pope Benedict XVI ended his six-day visit to the United States with a jubilant mass at the 57,000-seat Yankee Stadium. From VOA's New York Bureau, correspondent Barbara Schoetzau reports the leader of the w

发表于:2019-01-31 / 阅读(184) / 评论(0)

VOA常速英语2008年（四月）

里约奥运会上巴西观众为啥嘘声不断

It didnt take long for the Brazilians to rewrite the norms of Olympic fandom. 巴西人没用几天就改写了奥运会观赛规则。 The list of Olympic participants targeted by Brazilian boos is long and varied: Russians, due to its doping scanda

发表于:2019-02-01 / 阅读(171) / 评论(0)

趣味英语

2016年春季5大时尚新风潮

Fashion trends keep changing. Every season designers seem to enjoy surprising people with something new. 时尚潮流千变万化。每到新的一季，设计师们似乎都热衷于用新鲜事物惊艳我们的眼球。 This spring is no exception

发表于:2019-02-01 / 阅读(188) / 评论(0)

阅读空间

谁是《权力的游戏》真正的主角？数据分析告诉你

Theres a zillion characters in Game of Thrones, even after a bunch of them have been brutally bumped off. But among the likes of Tyrion, Bran, Dany, and pals, whos really the main character? A team of mathematicians used a power far beyond Melisandre

发表于:2019-02-07 / 阅读(146) / 评论(0)

阅读空间

宝石英语词汇

Aquamarine 海蓝宝，兰玉 Garden Crystal 绿幽灵 Azurite 兰铜矿 Aventurine 砂金水晶 Amethyst 紫水晶 Ametrine 紫黄晶 Amber 琥珀 Emerald 翠玉 Onyx 黑玛瑙 Opal 蛋白石 Obsidian 黑耀石 Carnelian 红玉髓 Calcite 方解石

发表于:2019-02-13 / 阅读(183) / 评论(0)

实用英语

双语有声阅读：黄水晶

Topaz Topaz is a hard, transparent mineral. It is a compound of aluminum, silica, and fluorine. Gem topaz is valuable. Jewelers call this variety of the stone precious topaz. The best-known precious topaz gems range in color from rich yellow to light

发表于:2019-02-25 / 阅读(170) / 评论(0)

双语有声阅读

经济学人443:瑞士手表与苹果手表这和看时间没有关系

Swiss watches and the Apple Watch 瑞士手表与苹果手表 It's not about time 这和看时间没有关系 Traditional watchmakers are confident they can see off Apple's new bauble 传统手表制造商有信心看到苹果华而不实的新玩意儿

发表于:2019-02-25 / 阅读(153) / 评论(0)

经济学人商业系列

经济学人377:手握乾坤,制表大师乔治·丹尼尔斯

George Daniels 手握乾坤：制表大师乔治丹尼尔斯 George Daniels, master watchmaker, died on October 21st, aged 85 近250年来最伟大的制表师乔治丹尼尔斯（George Daniels）于10月21日去世，享年85岁。 A SCHOOLBOY once

发表于:2019-02-25 / 阅读(166) / 评论(0)

经济学人综合

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alleculodes sauteri

alpine survey

Anchorage out of Harbour

anion-exchange chromatography