Learn how to make your own DIY portable speaker for your smartphone using basic components like mini speakers, an amplifier circuit, and a micro-USB OTG cable. This step-by-step tutorial guides you ...

Discover how to build a DIY magnetic stirrer from basic materials in this easy-to-follow tutorial. Perfect for mixing tea, coffee, or even for science experiments, this homemade magnetic stirrer uses ...

Iron-on patches can repair clothing or add personal flair to backpacks and hats. And now they could power wearable tech, too.

Abstract: Deep ultraviolet light-emitting diode (LED) sterilization and germicidal lamps with short-wave characteristics, can be used to replace the traditional ultraviolet mercury lamps, is a new ...