Some kinds of batteries produce electricity by a chemical reaction between two different metals (electrodes) immersed in acid (electrolyte). Figure out how to make your own batteries in case the ...

Most reality-based television shows get low marks for educational merit -- unless you count Machiavellian lessons in backstabbing. One exception is Rough Science, produced by Britain’s Open University ...

The team turn their attention to communication in the third episode from Carriacou. Kate challenges them to build a transmitter and radio reciever to send messages across the island, plus a kite and ...