I am sure you all know from physics class about how light moves in microscopic ways and that we can only see light when the wavelength of that light is in a specific range.

我相信，你们在物理课上都学过光是如何以微观的方式运动的，以及只有在光的波长在特定的范围内时我们才能看到光这一事实。

youdao

The third class is for ideas that are impossible because they violate the laws of physics.

第三类是那些违反物理定律的想法，因而不可能实现。

youdao

Anyway, it should be part of your physics class, not part of what I'm telling you.

这应该是物理课上讲的，我只是讲个大概。

youdao

Yes, I have. Freshman year, I was having a lot of trouble in my Physics class, and

是的。大一那年，我在物理课上遇到了很多难题，

与教授的面谈 - SpeakingMax英语口语达人

As you may remember from physics class, changing the pressure of a liquid changes its temperature.

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The first in this class of exceptionally dim supernovae was discovered in 2002, noted Robert Fisher, assistant professor of physics at the University of Massachusetts Dartmouth, a co-author of the paper.

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"We've opened a whole new class of laser materials, " says Robert Byer, a professor in the applied physics department at Stanford.

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