Here is a VLF receiver tuned to 300 kHz designed to detect the crackle of approaching lightning. A bright lamp flashes in sychrony with the lightning bolts indicating the proximity and intensity of ...
North Pole High School math teacher Dr. Curt Szuberla and his student team of aspiring scientists and engineers braved the elements this winter on NASA’s behalf to scout locations for and build a very ...
CEDAR RAPIDS — Collins Aerospace, Cedar Rapids’ largest employer, won a $42 million, 30-month U.S. Air Force contract to develop a so-called very low frequency, or VLF, receiver for its strategic ...
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