Discover a creative way to amplify your smartphone's sound with this easy DIY project. Learn how to repurpose a stethoscope and plastic bottles to build a homemade phone speaker amplifier. Follow step ...

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 ...

An hourglass tells you what it is in the name — a glass that you use to measure an hour of time passing by. [EDISON SCIENCE ...

You can speak into the Pebble Index to have it remember things or set reminders, timers, and tasks. No cloud processing, no ...