Hawaii's Kilauea volcano entered "episode 7" of its eruption Monday, sending 120-foot-high bursts of lava into the air.

But the real gem? The weird janky motor he built to run it. The concept is simple. An e-bike is electric, in that it has an electric motor and a source of electric power. However, [Tom] intended ...

How about a bicycle that uses an electric motor hidden inside the frame? We think the answer, whatever it is, is the same not matter which bike you're on and that going 90 kilometers an hour (56 ...

There’s no denying how popular high-power electric bikes have become. And a quick way to get more power without ...