Discover how to build a simple DIY projector using everyday materials like cardboard and a small flashlight or laser pointer. This easy step-by-step tutorial guides you through crafting a homemade ...

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 ...

Discover how to build a magnetic repulsion motor capable of lighting LED bulbs using only magnets and basic components. This ...

Our editors handpick the products that we feature. We may earn commission from the links on this page. Those robotic-looking light-up face masks you've seen people wearing on social media aren't just ...