New smell discovered – nasal equivalent of “white noise” sound

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In a recent study, scientists have discovered a new smell dubbed “olfactory white” because it’s the nasal equivalent of “white noise” (which sounds like a whooshing hum). Just as white noise is a mixture of many different sound frequencies and white light is a mixture of many different wavelengths, olfactory white is a mixture of…

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Computer generated simulation provides stunning visualization of the half million pieces of “space junk” orbiting Earth

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95% of the objects in this computer generated simulation of low-Earth orbit objects is “orbital debris”, not satellites. “Space junk” consist of everything from spent rocket stages, lost equipment and defunct satellites to erosion, explosion and collision fragments. NASA estimates there are more than 500,000 pieces of space junk orbiting the Earth (“tens of millions”…

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