最小能量理论

英文杂志-Physics

In the square outside the British Library in London is a sculpture of Sir Isaac Newton - The first man who asked why apples seem always to fall towards the centre of the earth. Maybe they chose it for the spot because it shows a great scientist at wo

发表于:2018-12-07 / 阅读(55) / 评论(0)

英文杂志-Magazine

Albert Einstein

Broadcast: Jan 22, 2003 By Marilyn Christiano VOICE ONE: This is Steve Ember. VOICE TWO: And this is Sarah Long with the VOA Special English program, Explorations. Today we tell about a scientist who

发表于:2018-12-07 / 阅读(53) / 评论(0)

VOA2003（上）-科技导航

SCIENCE IN THE NEWS - Stephen Hawking and Black Holes / Quan

SCIENCE IN THE NEWS - Stephen Hawking and Black Holes / Quantum Theory By Caty Weaver Broadcast: Tuesday, August 17, 2004 VOICE ONE: This is SCIENCE IN THE NEWS, in VOA Special English. I'm Bob Dought

发表于:2019-01-07 / 阅读(71) / 评论(0)

科技之光

EXPLORATIONS – Albert Einstein

EXPLORATIONS – Albert Einstein By Marilyn Christiano Broadcast: Wednesday, February 23, 2005 VOICE ONE: This is Steve Ember. VOICE TWO: And this is Sarah Long with the VOA Special English program, E

发表于:2019-01-28 / 阅读(68) / 评论(0)

Explorations

Step by Step 3000 第2册 Unit5:Creative Minds(3)

Part 3. Scientists of the millennium(2). Keywords. idea, theory, discovery, method, establish, invention, change. Vocabulary. origin, species, by means of, organism, evolution, survive, reproduce, microorganism, Pasteurization, germ, resistance, inje

发表于:2019-02-15 / 阅读(73) / 评论(0)

Step by Step 3000 第二册

万物简史第246期:马斯特-马克的夸克(18)

This is counter to all expectations. It appears that the universe may not only be filled with dark matter, but with dark energy. Scientists sometimes also call it vacuum energy or, more exotically, quintessence. Whatever it is, it seems to be driving

发表于:2019-02-25 / 阅读(67) / 评论(0)

万物简史

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