Light is slow, actually

Light is slow, actually

This video depicts light speed in contexts where it appears to be slow. The moon is 1.2 light seconds from Earth; Mars several light minutes. This is, of course, why humans aren’t moving out of this solar system any time soon. This rebar-tying video is weirdly...
Making Models with Lasers

Making Models with Lasers

Good design starts with a good idea, and being able to flesh that idea out with a model. In the electronics world, we would build a model on a breadboard before soldering everything together. In much the same way that the industrial designer [Eric Strebel] makes...