Monday, June 22, 2020

New design for 'optical ruler' could revolutionize clocks, telescopes, telecommunications

Just as a meter stick with hundreds of tick marks can be used to measure distances with great precision, a device known as a laser frequency comb, with its hundreds of evenly spaced, sharply defined frequencies, can be used to measure the colors of light waves with great precision.

from Latest Science News -- ScienceDaily https://ift.tt/3dlbw2x
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Study finds untreated sleep apnea doubles Parkinson’s risk

A massive veteran study found a strong connection between untreated sleep apnea and a higher chance of Parkinson’s. CPAP users had much lowe...