| 11. | In 1926, Lewis coined the term " photon " for the smallest unit of radiant energy.
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| 12. | That also conforms with the principle that radiant energy decreases with the square of the distance.
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| 13. | When the sun heats a roof, it's primarily the sun's radiant energy that makes the roof hot.
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| 14. | As such, they are very inefficient, because most of the radiant energy they emit is invisible infrared.
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| 15. | One of the earliest wireless telephones to be based on radiant energy was invented by Nikola Tesla.
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| 16. | An abstract generalization of color would be the frequency absorption for any arbitrary frequency of radiant energy.
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| 17. | The photon is destroyed in the process and the absorbed radiant energy is transformed to electric potential energy.
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| 18. | Take a look at radiant energy.
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| 19. | Radiant barriers will reflect radiant energy.
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| 20. | It is a process known as Radiant Heat Exchange, since Radiant Power & times; Time equals Radiant Energy.
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