This easy-to-build walking reindeer can be constructed with only a bow motor, battery, wires, and a few other parts.
In Nature Communications, a research team affiliated with UNIST present a fully biodegradable, robust, and energy-efficient ...
When winter storms knock out the power, they rarely give much warning — and suddenly, everyday essentials like heat, lights, and phone chargers feel anything but optional. The best portable generators ...
An oscilloscope is usually the most sensitive, and arguably most versatile, tool on a hacker’s workbench, often taking ...
The theory behind hydropower is very simple: water obeys gravity and imparts the gained kinetic energy onto a turbine, which subsequently drives a generator.  The devil here is, of course, in all ...