残余黑体辐射

科学美国人60秒 SSS Model Black Hole Re-Creates Stephen Hawking Prediction

Black holes got their name because light can't escape them, beyond a certain radiusthe event horizon. But in 1974 Stephen Hawking proposed that quantum effects at the event horizon might cause black holes to benot completely black. Hawking said that

发表于:2018-12-24 / 阅读(97) / 评论(0)

2016年Scientific American(八)月

VOA慢速英语--New Blood Test Finds Deadly Skin Cancer

From VOA Learning English, this is the Health Lifestyle report. Scientists in Australia say they have developed the worlds first blood test to find a deadly skin cancer in its early stages. They say the test could save thousands of lives each year. C

发表于:2019-01-03 / 阅读(104) / 评论(0)

2018年VOA慢速英语(九)月

SSS 2009-08-05

This is Scientific American's 60 Seconds Science. I'm Steve Mirsky. Got a minute? In 1900 legendary physicist Max Planck described the way energy gets dissipated from any nonreflective object, called a blackbody. But even Max said if something else i

发表于:2019-01-08 / 阅读(101) / 评论(0)

Scientific American(八)月

SCIENCE IN THE NEWS - Cancer

SCIENCE IN THE NEWS -April 2, 2002: Cancer By Oliver Chanler VOICE ONE: This is Sarah Long. VOICE TWO: And this is Bob Doughty with Science in the News, a VOA Special English program about recent deve

发表于:2019-01-09 / 阅读(135) / 评论(0)

科技之光

UNIT 3 Body and Feelings Lesson 21: We Look Different!

[ti:UNIT 3 Body and Feelings Lesson 21: We Look Different!] [00:01.42]UNIT 3 第三单元 [00:03.44]Body and Feelings 身体和感觉 [00:06.82]Lesson 21: 第21课： [00:08.91]We Look Different! 我们看起来不同！ [00:11.65]1. [00:13.15]What d

发表于:2019-01-09 / 阅读(146) / 评论(0)

河北教育初中英语（初中起点）七年级上

Health Experts Detail Radiation Symptoms

U.S. health experts monitoring Japan's nuclear crisis are seeking to explain health risks from radiation（放射） exposure, while cautioning that radiation levels measured this week at the Fukushima-Daiichi power plant in northern Japan have not y

发表于:2019-01-11 / 阅读(128) / 评论(0)

英语新闻

VOA慢速英语2010年-SCIENCE IN THE NEWS - Keeping a Lookou

DOUG JOHNSON: This is SCIENCE IN THE NEWS, in VOA Special English. I'm Doug Johnson. FAITH LAPIDUS: And I'm Faith Lapidus. Today, we will tell about skin cancer. (MUSIC) DOUG JOHNSON: Skin cancer is one of the most common forms of cancer. It is also

发表于:2019-01-11 / 阅读(198) / 评论(0)

2010年VOA慢速英语(七)月

美国国家公共电台 NPR On The Navajo Nation, Special Ed Students Await Water That Doesn't Stink

ARI SHAPIRO, HOST: More than a third of the Navajo Nation lacks running water. And in some of the places with running water, people don't want to drink it. They say it smells, tastes funny and looks bad. Laurel Morales of member station KJZZ has more

发表于:2019-01-17 / 阅读(97) / 评论(0)

2017年NPR美国国家公共电台4月

趣味青春英语电台第230期:Pot calling the kettle black

Idiom: Pot calling the kettle black ( the same ) Hit the book: Rotate Sticky Residue Flourish Spoiled product Cross-contamination Rinse Detergent DATE AND ROTATE AND THROW AWAY If you don't do anything else, do this. Not only is labeling required by

发表于:2019-01-22 / 阅读(142) / 评论(0)

趣味青春英语

英语听力：2013-11-10 地平线：黑洞吞噬—23

There was now a pressing challenge to understand how black holes in their surrounding galaxies. To be so intertwined.，professor Andy Fabian in the Cambridge University is one astronomer who began to look. Like the ripples, they travel out from his

发表于:2019-01-23 / 阅读(91) / 评论(0)

探索与发现2013年

如何降低电脑辐射

第一招：在电脑旁放上几盆仙人掌，它可以有效地吸收辐射。第二招：对于生活紧张而忙碌的人群来说，抵御电脑辐射最简单的办法就是每天上午喝2至3杯的绿茶，吃一个橘子。第三招：上网

发表于:2019-02-03 / 阅读(139) / 评论(0)

阅读空间

VOA标准英语2010年-Airport Body Scanners Called Safe If P

Compared to the dose level of a medical chest x-ray, a backscatter scan is thousands of times lower. Since the Christmas Day attempted bombing of a U.S. airliner, airports are looking for ways to tighten security. One method being adopted by some and

发表于:2019-02-05 / 阅读(93) / 评论(0)

VOA标准英语2010年(三月)

英语歌曲:打榜热歌Black Eyed Peas - Rock That Body

打榜热歌：Black Eyed Peas - Rock That Body Artist：Black Eyed Peas Song：Rock That Body I wanna rock right now I want I wanna rock right now I want I wanna rock right now Now, now, rock right now I want I wanna rock right now I want I wanna ro

发表于:2019-02-06 / 阅读(134) / 评论(0)

流行英文歌曲

VOA标准英语2010年-Body Scanners, Touted as Effective Too

Public opinion polls suggest most Americans favor full body scanners as a way to protect against terror attacks on commercial airliners. The benefits of scanners are being debated in a number of countries. Some groups have raised privacy issues. But

发表于:2019-02-07 / 阅读(100) / 评论(0)

VOA标准英语2010年(一月)

英文歌曲:Rock That Body

Black Eyed Peas新单曲Rock That Body在本周Billboard排行榜上打入前十，这也是他们新专辑《The End》中第五首Top 10金曲。这张专辑的首支单曲《Boom Boom Pow》在2009年4月首次问鼎全美冠军。 Black Eyed Pea

发表于:2019-02-07 / 阅读(115) / 评论(0)

好听的英文歌曲

打榜热歌：Black Eyed Peas - Rock That Body

打榜热歌：Black Eyed Peas - Rock That Body Black Eyed Peas新单曲Rock That Body在本周Billboard排行榜上打入前十，这也是他们新专辑《The End》中第五首Top 10金曲。这张专辑的首支单曲《Boom Boom Pow》在2009年

发表于:2019-02-11 / 阅读(99) / 评论(0)

经典英文歌曲

学科分类词汇——天文类

1 ASTRONOMY 天文 astronomy 天文学 astronomical 天文的 astronomical observatory 天文台 astronomer 天文学家 astrophysics 天文物理学 astrology 占星学 pseudoscience 伪科学 cosmos(universe) 宇宙 cosmology 宇宙学 infinite 无限

发表于:2019-02-13 / 阅读(89) / 评论(0)

实用英语

万物简史第449期:小生物的世界(20)

One of the odder aspects of infection is that microbes that normally do no harm at all sometimes get into the wrong parts of the body and go kind of crazy, 感染有许多古怪的方面。其中之一是，有些在正常情况下完全无害的微生

发表于:2019-02-17 / 阅读(87) / 评论(0)

万物简史

天籁音乐:Black Swan Song

Athlete，来自英国的四人独立摇滚乐队，这首Black Swan Song，黑天鹅之歌，出自他们09年的专辑Black Swan。这里的acoustic版本中安静的钢琴伴奏加上主场冷静而充满反思的声音，让人宛如身处黑夜的

发表于:2019-02-20 / 阅读(153) / 评论(0)

天籁音乐

【英语语言学习】皮肤癌

This is SCIENCE IN THE NEWS, in VOA Special English. I'm Doug Johnson. And I'm Faith Lapidus. Today, we will tell about skin cancer. Skin cancer is one of the most common forms of cancer. It is also the most deadly. America's National Cancer Institut

发表于:2019-02-23 / 阅读(206) / 评论(0)

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学英语单词

2'-methoxyacetoacetanilide

background Iuminescence

band together