Discover how to make a DIY hand-powered mobile phone charger using simple materials such as two small DC motors and a piece ...

Learn how to make a simple hand-cranked power generator from scratch using basic materials like DC motors, a wooden base, an ...

How Do Hand Warmers Work? Modern hand warmers are air-activated, meaning they only start working once you open up the packet and oxygen can seep inside. Once that happens, the oxygen reacts with a ...

Warnings & Cautions: Measure carefully to be sure you don’t over-dilute the mixture. To disinfect, you must use 71% or higher alcohol content. Buy this anywhere alcohol is sold. Make up a few bottles ...

5. Stir the ingredients togther to combine well. I like using a small whisk 6. Once combined you can add 10 or so drops of essential oil - this is optional 7. Again stir to combine 8. Add a small ...