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Re: [Phys-l] Physics Grammar



There are microwave cameras also. Well I take that back it doesn't use a lens, but is as much a camera as is a holographic camera *. I doubt, except to be difficult, you will find any one using the expression microwave light.

* Help! How does one punctuate this sentence?

bc will be rather surprised if he's not requested for a description of such a camera. Teaser: It's an ordinary polaroid camera back and prepared high speed polaroid film.

John M Clement wrote:

The terms "infrared light" and
"ultraviolet light" are also incorrect because "light" is the visible part
of the EMR and infrared and ultraviolet radiation are not visible.



Of course this is only true for normal human eyes. I understand that if you use an ultraviolet transparent lens in the eye, you can actually see it. And of course there are infrared cameras.

My big vote goes for banning the term gravity as a noun, and only using it as an ajective, gravitational. It is very hard to fight both tradition and 2nd grade teachers.

While terminology may often mislead, student misconceptions are often taught, and also arise spontaneously without any misleading terminology.

John M. Clement
Houston, TX
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