Anemometer beam exits reflect, or backscatter, the light back into a detector, where it is measured relative to the original laser beam. When the particles are in great motion, they produce a Doppler shift for measuring wind speed in the laser light, which is used to calculate the speed of the particles, and therefore the air around the anemometer. Ultrasonic anemometers, first developed in the 1950s, use ultrasonic sound waves to measure wind velocity. They measure wind speed based on the time of flight of sonic pulses between pairs of transducers. Measurements from pairs of transducers can be combined to yield
2008 Oregon Ballot Measure 58 2008 Oregon Ballot Measure 58 Oregon Ballot Measure 58 was an initiated state statute ballot measure sponsored by Bill Sizemore that appeared on the November 4, 2008 general election ballot in Oregon. It was rejected by voters. The initiative would have required "English immersion" in Oregon's public schools. "English immersion" wasn't defined in the measure, and there is no academic consensus as to what it means. Here is how Oregon's major newspapers endorsed on the measure: No Oregon newspapers have endorsed a yes vote on Measure 58. The measure would limit the use of foreign language instruction in public schools