What kind of clever things could you do with a signal that had a period of 2 hours? Or 20? Any ideas? No seriously, tell us. Because [Joseph Eoff] has come up with a way to produce incredibly low ...
In his 1973 book Supernature, the scientist and adventurer Lyall Watson tells the story of a six-foot-long whistle. Part of an experiment in the 1960s, the enormous device was designed to explore the ...