A 128Hz medical tuning fork appeared in my collection thanks to a friend! Have you ever used a tuning fork? According to Wikipedia, the tuning fork was invented in 1711 by British musician John Shore, ...

Two identical tuning forks mounted on resonance boxes are struck with rubber mallets to show they have identical tones. A small piece of putty is added to one tuning fork to alter it's frequency. When ...

A tuning fork (mounted on a resonance box) is made to resonate when a second identical tuning fork is rung nearby. This is beacause the first tuning fork's driving frequncy is the same as the second ...

You might remember how Gwyneth Paltrow's health and well-being website Goop was selling "medical" products with no proven measurable health benefits. Decluttering expert Marie Kondo may be going down ...