Rechargeable Batteries #1: NiCd vs NiMH
We all like the idea of recharging and reusing batteries. The first batteries available in domestic sizes were Nickel Cadmium …
Chemistry and Electricity
Batteries and Jumper Leads
What’s the difference between these jumper leads and these ones? Does it matter? Aren’t they all the same? And when …
How Car Batteries Work #2
Car batteries pack a wallop. They are capable of producing an extraordinary amount of power – about 3 times as …
How Do Car Batteries Work #1?
The battery in your car is very old technology – dating back to 1830. The fact that they are still …
How Do Batteries Work?
There are many different types of batteries around us. From the lead acid batteries in our car, to be batteries …
Kettle vs Microwave
Which is more efficient for heating water – a kettle or a microwave? Suppose you are going to make pasta, …
What’s the Safest Place in an Electrical Storm?
That storm yesterday was pretty speccy. Lightning and thunder everywhere. So where’s the safest spot to be in an electrical …