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高中英语 Unit3 Life in the Future教案 新人教版必修5

[09-28 20:42:58]   来源:http://www.5ijcw.com  高二英语教学设计   阅读:8695

概要:Many worlds, many futures?To return to the question that has puzzled thinkers since Newton’s day, is the future preordained? Or are there a quantum world suggests that not only are there an infinite number of futures? One way of looking at the quantum world suggests that not only are realized
高中英语 Unit3 Life in the Future教案 新人教版必修5,标签:高二英语教学设计案例,http://www.5ijcw.com

Many worlds, many futures?
To return to the question that has puzzled thinkers since Newton’s day, is the future preordained? Or are there a quantum world suggests that not only are there an infinite number of futures? One way of looking at the quantum world suggests that not only are realized in an infinite number of universes.
Photons and electrons sometimes behave as waves and sometimes as particles, but never both at the same time. So far, the argument for interference between one universe and another applies only to events occurring at the quantum level.
But the idea of parallel universes provides a possible resolution to the “grandfather paradox” that might otherwise cause problems for time travelers. If we travel back in time and change history, we launch ourselves into a new future in a parallel universe — but we have no effect on the present one from which we started out.
Scientists of the future may well pursue a new form of futuristic technology based on quantum effects. Such applications could include quantum teleportation, by which a quantum particle can be teleported from one point in space to another; and quantum computation, where calculations can be carried out which would take many years on a conventional computer. Although we now know how to measure time very accurately, have we come any nearer to answering the basic question “What is time?”.

Pleiades
The Pleiades is known as the Seven Sisters and Messier 45. It is roughly 500 light years from Earth. There are actually about two hundred and fifty to five hundred thousand stars with this cluster that have been counted including the 7 major ones that have been known throughout antiquity. The cluster contains thousands of stars, of which only a handful can be seen by naked eyes. The stars in the Pleiades are thought to have formed together around 100 million years ago, making them 1/50th the age of our sun, and they lie some 130 parsecs (425 light years) away.


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