One Way Conductivity of Galena Crystal Detector Use
Galena or lead sulphide shows directional current transfer when in contact with a metal, allowing easy flow in one direction while resisting the opposite by about two thousandfold. This unusual property is exploited in crystal detectors for common radio crystal sets.
MENTIONED IN THIS ARTICLE
United States
Colorado
Ficase
N. A. Williams Laboratories
Dept. 12
Franklin, Mass
Waited in vain and a jealous husband stance in a local tale
A woman waits in a car near a fire plug for three hours to catch a culprit who eventually speaks, while a separate piece outlines ants found everywhere from Arctic regions to dunes. Entomologist William Morton Wheeler notes ants outnumber all other terrestrial animals and form widespread colonies.
MENTIONED IN THIS ARTICLE
Cnp
William Morton Wheeler
F N.d
Arctic
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