You can’t reinvent the wheel, so to speak, but you can (apparently) reinvent the panel light. Or, at least, that’s what ...

Discover how to build a simple device that converts light into electricity using LEDs and diodes. This step-by-step guide ...

If you wanted to build a robot that chased light, you might start thinking about Raspberry Pis, cameras, and off-the-shelf computer vision systems. However, it needn’t be so complex. [Ed] of ...