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Who wrote the book Cosmos?
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What are the advantages of FTIR over dispersive IR spectroscopy?
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Astrophysics
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You want to read a book in your room. To do so, you will hang a lamp of 600 Lumen from the ceiling. You can change the length of the electric wire to better serve your purpose. If you want to have at least an illuminance of 50 lux, what will be the minimu
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