This simple device looks almost like it could run forever. So how does it actually work? All it takes is three rubber bands tied to a screw to create this se...

The Simple Music Player is a preloaded MP3 player in a radio-like device which comes in three versions: Red, Green and Brown. It's easy to use by lifting or lowering the lid to start or stop …

Jan 17, 2025 · Unsure on whati Portable Audio Recorder to buy? Smile, Music Critic has reviewed the top Audio Recorders for sale, just for you. Updated: December 2025.

Xiaomi band is the best cheap one I have found. I used the mi band 4 but they now have band 7 for $79.99 on Amazon. It's not mentioned in qualified scientists review but he only looked at …

I show how to make a simple device that cuts plastic bottles into a thin band/ribbon that can be used as a durable rope. The plastic bottle cutter is very easy to make and perfect for reusing …

Learn how to make a rubber band gun step-by-step with simple materials for a fun DIY project. Perfect for beginners and kids!

MyNotifi is a one-of-a-kind medical alert device that notifies family and friends automatically via an easy-to-use smartphone app if your loved one falls. They can keep living the active life they …

Simulation of a zoetrope. Looking at the middle slot in the top frame reveals a flickering animation. The bottom frame shows its appearance without looking through a slot. The zoetrope consists …

Jul 18, 2024 · The best pedometers can motivate you to reach your goals. From user-friendly displays to sleek wristbands , here’ s exactly what to look for in step trackers.

Nov 8, 2022 · An ultra‐narrow band ultra‐violet (UV) GaN detector with a simple device architecture is presented. The device displays an ultra‐narrow band response centred at 366 …