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May 28, 2014 · 'Darkness' perceived by a human is the absence of light in the portion of the spectrum that is visible to humans. 'Darkness' in the context of frequency bands outside of the human visible range would still be the absence of any light (or, more generally, electromagnetic radiation) in those bands. $\endgroup$
- Everything is normally light. It is dark waves that travel ...
Measure of Darkness. Negative cancels positive (e.g....
- Everything is normally light. It is dark waves that travel ...
Feb 15, 2013 · Darkness is an absence of light waves, it is like an empty bowl. Light waves fill that emptiness so that it no longer exists. @Muhammad sohail, One cannot see dark because seeing implies the presence of light, whereas darkness is just the absence of light. Therefore, one says, ‘I cannot see because it is dark,’ not, ‘I see darkness.’
Sep 20, 2022 · Is darkness a wave? Physicist: The very short answer is no: darkness is not a wave. There are no waves in the dark for very much the same reason that there’s no surfing (or ocean waves) in Death Valley. Darkness, being an absence of electromagnetic waves (light) has nothing to do any waving.
Oct 19, 2023 · The speed of darkness in an environment where light is present can only be calculated at a point where light is receding, so the speed of darkness would be the same speed at which the light is moving. Therefore, the speed of darkness would also be 300,000 kilometers per second in a vacuum, 225,000 kilometers per second in water, and so on.
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Does light travel as a wave, a ray or a stream of particles? Is it a single color or many colors mixed together? Does it have a frequency like sound? And what are some of the common properties of light, such as absorption, reflection, refraction and diffraction? You might think scientists know all the answers, but light continues to surprise them.
Feb 26, 2007 · It's light. And although we know it primarily as the opposite of darkness, most of light is not visible to our eyes. From low energy radio waves to high energy gamma rays, light zips around us ...
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Jan 9, 2022 · Measure of Darkness. Negative cancels positive (e.g. electric charges, amplitudes of waves etc.). In our universe, light has positive lumens and darkness means 0 lumen. In your universe, maybe there is a light with negative lumens. Your sun or other devices emit a light with negative lumens which cancels the light of positive lumens.
