Dust Devils produce magnetic fields

From: Electromagnetic News Report | Date: March 1, 2003| Author: Anonymous | Copyright information

According to Science News, scientists who chase dust devils report that the tiny twisters can produce a small magnetic field that changes magnitude three to 30 times per second.

When grains of sand and clay collide inside a dust devil, electric charges are generated, says William M. Farrell, a geophysicist at NASA's Goddard Space Flight Center in Greenbelt, Maryland. Negative charges typically transfer to the smaller, lighter particles, which are lofted higher than the heavier grains....

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Dust devils produce magnetic fields. (Earth Science).(Brief Article)
Science News ; Scientists who chase dust devils report that the tiny twisters can produce a small magnetic field that changes magnitude between 3 and 30 times per second. When grains of sand and clay collide inside a dust devil, they generate electric charges, says William M. Farrell, a geophysicist at NASA's
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