Acupuncture is an ancient Chinese technique that uses small needles placed at specific points ... also spoke to members of the Rotary about the upcoming Humble Thanksgiving Feast, passing out ...

The two different machines work differently but do essentially the same thing — moving the needle. The rotary machine's motor moves a rotating circular bar, which moves the needle up and down.

His concept was based on the underlying rotary equipment in Edison’s electric pen. His instrument is made up of a five-needle array, but the patent disclosure notes that it can be reformatted to ...

If you've never gotten a tattoo, you might think that a tattoo needle works by "injecting" ink under the skin. That's sort of true, but close-up and slowed-down footage of the process reveals some ...