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Today I learned that a concave mirror is capable of producing a real image

A concave mirror will produce a real image when the object is located at a distance longer than the mirror’s focal length. That means if we put a piece of paper at the image location, the image will actually appear on it.


Today I learned that color is not an inherent attribute of light

It’s just the result of an eye-brain response to a given wavelength. When light enters the eyes, it will strike the cones of the retina (i.e the color-sensing cells), thereby activating a chemical reaction that sends an electrical impulse to the brain through nerves. 211 more words


Today. I. Learned

A cloudburst is an extreme amount of precipitation in a short period of time, sometimes accompanied by hail and thunder, which is capable of creating flood conditions. 34 more words