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we live in an age of advances in science and technology.  but what a shame that no one suspects that some discoveries may have a negative effect on the environment. it should be noted that as science invents and rather have already invented special machines on solar energy or the so-called "electric machine". they do not emit harmful substances, and consume current. in our 21st century role of not money, as many people think, and - brains. without them, you're not going anywhere.