Episode 8: “You have these two parallel threads on a collision course and that's where they meet.” The Kent State massacre was one of the most searing domestic moments of the antiwar movement.

1. Determine if the thread is tapered or parallel. Sometimes all you have to do is examine them. Tapered threads get smaller in diameter toward the end of the fitting; parallel threads have the ...

Sewing the conductive thread onto ribbon also makes it a hell of a lot easier to attach to many garments or textiles, and also makes it easier to replace or reuse.