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Feed Science Daily: New Microsensor Measures Volatile Organic Compounds In Water And Air On-site (sciencedaily.com)

Researchers have developed a miniature sensor that uses polymer membranes deposited on a tiny silicon disk to measure pollutants present in aqueous or gaseous environments. An array of these sensors with different surface coatings could be used during field-testing to rapidly detect many different chemicals.
Enlightenment

Submission + - The 10 wierdest, coolest exoplanets (msn.com)

Lucas123 writes: "SWEEPS-10 is less than a million miles from its sun, which means a year on that planet is only 10 hours long, while a year on HD209458b is only 3.5 Earth-days long. Solar winds on that planet are removing 10,000 tons of material every second. Upsilon Andromeda b is tidally locked to its sun like the Moon is to Earth, so one side of the planet is always facing its star making one side as hot as lava and the other side frozen. There are also free-floating planets have no sun at all, but float aimlessly through space."

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In any formula, constants (especially those obtained from handbooks) are to be treated as variables.

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