I wonder what other simple looking devices and mechanisms we haven't discovered yet.,(reply>), @Electricity taster True, but it's not very convenient to carry and pour from a cube.,(reply>), @TheLeadhound magnet engine,(reply>), And in a few hundred years they’ll be thinking about how stupid we were for not realising these things.,(reply>), @Nestor Acabal the thing that bothers me the most about electricity is that the main parts for an entire generation and transmission system already existed for a few thousand years. The transmission? Just copper wires and some insulation! The generator? Just copper wires with a magnet in it!! How to make a magnet? Get a piece of iron of the perfect shape and put it in a place that gets hit by lighting very often!!! BAM you just yourself every component needed to make an electric revolution.<br><br>Shocking isn't it?,(reply>), @oi imagine not eating the cereal before it goes bad in the faucet