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 ...

Lightning strike detection circuit that flashes when lightning strikes nearby. It picks up and amplifies signals in the 300 kHz range, where lightning makes a lot of noise that can be picked up with a ...

You would think detecting lightning would be easy. Each lightning bolt has a staggering amount of power, and, clearly, you can hear the results on any radio. But it is possible to optimize a simple ...