If it fits your space, you'll never want to use another reading light again. To change the brightness, just rotate the dimmer dial. You'll get light on your pages (not in your eyes) and you won't ...

[MJKZZ] decided to apply the technology to build a reading light, powered by a hot cup of coffee. The build is based around four Peltier modules, 40mm x 40mm in size, sandwiched between a pair of ...