The Air Force is looking for the next generation of Very Low Frequency communications to maintain contact with its ICBMs and bombers. In particular, the Air Force wants to address the problem that ...

If you need to generate a radio frequency electrical signal, you will make some form of electronic oscillator. We’ll probably all be used to oscillators using transistors, tubes, logic gates or a host ...

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 ...

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 ...

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 ...

Biologist Karin Lehmkuhl Bodony played a part in it too. Biologist Karin Lehmkuhl Bodony lives in the Alaskan village of Galena, where she can very clearly see the northern lights. With the aid of a ...