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Make a Linear Electric Motor for School
At the end of this article we’ll explain how to make a linear electric motor for a school project. This is…
Lithium-Carbon Dioxide Batteries
Large marine batteries are a special case of their own, because they need maximum storage density. This suggests using high-powered…
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Renewable Power Sources
Turning the Tables on Carbon Dioxide
Carbon dioxide is the ‘enemy’ of our atmosphere, according to the vast majority of scientists. The gases we release by…
Battery Basics
Have a Battery Safe Christmas
Christmas is a time for refreshing our memories of childhood, and exchanging gifts and greetings with loved ones. Many of…
Battery Basics
Ramping Up Button Battery Safety
We know the tragic story all too well by now. Kids pop button batteries into their cheeks, because they look…
Battery Basics
Why Airlines Mistrust NiMH Batteries
Airlines don’t insist that nickel-metal hydride (NiMH) batteries travel as cabin luggage, although a few carriers prefer this. We delve…