Hot Topics
The First Smartphone Battery Ever
The first smartphone battery ever to reach consumers, used nickel-cadmium chemistry. It powered the IBM Simon cellular phone and personal…
Was van Musschenbroek Capacitor the First?
Prussian aristocrat Ewald Georg von Kleist created a ‘Leyden Jar’ on October 17, 1745, that behaved like a capacitor. It…
WHAT'S NEW
The Australian coastline on the southern seaboard is undulating, with few intrusions but for occasional rivers. There is however a…
Lithium-ion batteries attract electric vehicle makers because of their high energy density. However, they also contain quantities of lithium, cobalt,…
Some critics believe electricity-supply utilities are spending too much money on new power lines to repair storm damage. Green Mountain…
Owning a hybrid electric vehicle runabout could be high up on many motorists’ minds, but the cost may be a…