In high-school physics class, we did an experiment. It’s so crude by today’s standards, that I feel like something of a fossil as I recall it, but here goes. We had a ticker-tape kind of thing that would make a mark on a paper tape as you pulled the tape through. It marked at a constant frequency, so if you pulled the tape faster, the dots were farther apart. So dot spacing became a measure of speed.
The experiment consisted of two parts. In the first, we held the tape and walked a … Read More → "Separating You from Your Phone"