If you’ve seen a big air-variable capacitor, you may have noticed that some of the plates may have slots cut into them. Why? [Mr Carlson] has the answer in the video below. The short answer: ...
The numbers on a tire's sidewall provide information about its size, manufacture date, load rating, speed rating, and maximum ...
Your smoke and carbon monoxide detectors quietly decide how much time you have to escape a fire, yet the tiny date code that ...