Featured
How Light Emitting Diodes Light LEDs
Old fashioned incandescent light bulbs pass electricity through highly-resistant wire filaments, that get hot and…
Browsing: LED
Featured
Battery Basics
Ever Wonder How a Solar Lamp Works?
Did you ever wonder how a solar lamp works? This minor miracle is a good…
Battery Experiments
Build a Lemon Battery Make a LED Light Up
Did you know you could make a battery from a lemon? Well yes you can,…
Battery Experiments
Making Voltaic Batteries in Mum’s Kitchen
A voltaic battery contains a number of cells joined up and delivering electricity through a…
Battery Experiments
Supercool Experiment: Light Up a Model House
We have a supercool experiment for your next science class, and this one is bound…
Battery Experiments
Light Up Your Life With Lemon Batteries
If we strip away the glittery labels and marketing hype, all a battery contains are…
Battery Technical
How Lead & LED’s Shed Light in Emergencies
Lead batteries have long been at the heart of emergency electrical lighting. Because the simple…
Simple Battery in an Ice Tray
A simple diy battery contains zinc and copper electrodes in an acidic solution that keeps…
Replacing Your Home Alarm System Batteries
Your alarm system battery supplies your home alarm with the backup power it requires…
How to Make a Moonlit LED Flower
This beautiful Moonlit LED flower is simple and inexpensive to make right at…