The recent trend towards greener, more sustainable technology is creating many opportunities for entrepreneurial-minded ...

We walk here, we walk there, we walk everywhere. Maybe you’re headed to work or to lunch in a busy city. You’re expending energy, and the exercise is good for you ...

With a pedal generator, you can turn human effort into usable energy—ideal for off-grid setups, emergency backups, or just a fun DIY project. This guide gives you a fast-track look at how pedal ...

Solve a basketball jump physics problem by tracking how mechanical energy changes from takeoff to peak height. This video explains kinetic energy, gravitational potential energy, and energy ...