Unlock the secrets to creating a sustainable power source with our step-by-step tutorial on making a free energy light bulb using a DC motor. Learn how to harness renewable energy with readily ...

there are light bulbs that have batteries and every time you turn on a lamp that contains one of these bulbs, you charge the ...

I’ve also treated the topic of LED illumination more conceptually; take, for example, this piece from more than seven years ago that analyzed LED and CFL light bulbs as potential successors to ...

Home lighting solutions have evolved to the point where you no longer need to roll off the couch to flip a switch. These days, you just have to press a button on your phone to light up the room. If ...

When you think of Star Wars, what's the first image that comes to mind? Lightsabers, right? Everyone loves lightsabers. You can buy some nice replicas, and there are even classes on lightsaber ...