The scariest day of Pete Lyman’s life was the morning the movers came for his 1978 Scully LS-76 vinyl-cutting lathe. It’s one of two rare machines at Lyman’s company, Infrasonic Sound, which cut the ...
The study of low frequency sound is giving science new perspectives on the natural world as well as helping to develop novel weapons technologies. Julian Trick reports. Sound waves so low in frequency ...
In Part 1 of this Design Idea (DI), we saw how a standard electret microphone capsule can be persuaded to detect infrasonic signals down to a fraction of a Hertz by adding some fairly simple ...
Some results have been hidden because they may be inaccessible to you
Show inaccessible results
Feedback