At the most basic level, light bulbs or incandescent lights work by exciting atoms that release photons of light. Not all photons emit visible light, however. In fact because of the way light bulbs work, most of the radiation is ...
Since the inception of the personal computer, futurists have predicted the paperless office. Putting documents on-line rather than on paper, as the reasoning goes, would drastically reduce worldwide paper consumption and help to reverse the environmental damage caused by paper ...
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