文章列表

• 1.万物简史 第253期:大地在移动(7)
• Elsewhere, however, the new theory drew steady if cautious support. In 1950, a vote at the annual meeting of the British Association for the Advanceme...
• 2.万物简史 第252期:大地在移动(6)
• To be sure, Wegener made mistakes. He asserted that Greenland is drifting west by about a mile a year, which is clearly nonsense. (It's more like half...
• 3.万物简史 第251期:大地在移动(5)
• When it was realized that ancient tapirs had existed simultaneously in South America and Southeast Asia a land bridge was drawn there, too. Soon maps ...
• 4.万物简史 第250期:大地在移动(4)
• There was also the problem, demonstrated by Rutherford and Soddy early in the century, that Earthly elements hold huge reserves of heatmuch too much t...
• 5.万物简史 第249期:大地在移动(3)
• Wegener developed the theory that the world's continents had once come together in a single landmass he called Pangaea, where flora and fauna had been...
• 6.万物简史 第248期:大地在移动(2)
• Taylor came from a wealthy family and had both the means and freedom from academic constraints to pursue unconventional lines of inquiry. He was one o...
• 7.万物简史 第247期:大地在移动(1)
• 12 The Earth Moves 第十二章 大地在移动 In one of his last professional acts before his death in 1955, Albert Einstein wrote a short but glowing forewo...
• 8.万物简史 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 ...
• 9.万物简史 第245期:马斯特-马克的夸克(17)
• At least the names for the two main possible culprits are entertaining: they are said to be either WIMPs (for Weakly Interacting Massive Particles, wh...
• 10.万物简史 第244期:马斯特-马克的夸克(16)
• This uncertainty applies, incidentally, to relatively nearby things as much as to the distant edges of the universe. As Donald Goldsmith notes, when a...