This two-part video describes voltage, the potential difference or "pressure" that pushes electric charges through conductors. After watching this, you'll know everything there is to know about volta ...
This video is about electrical wires. It describes common types, configurations of wire, and wire terminology. It explain the gauge system of rating wire size (diameter), circular mils, current capa ...
This video introduces the concept of an electric circuit and how electrons flow through the wire. It describes the difference between an open and closed circuit, and the importance of continuity. ...
Caroline and Val from New Scientist make plastic from milk and vinegar. Sure it likes like food at first, but leave it for a couple days, and it will be plastic. Just try it for yourself. ...
Ivan and Mick from New Scientist show us how to get the iron out of fortified breakfast cereal. You won't believe how much you can find! ...
See how to do electrolysis of water with graphite (lead from a pencil). The positive side has oxygen bubble, and the negative side has hydrogen bubble. Just get a 9V dry cell battery. ...
See the electrolysis of water (baking soda dissolved) with copper wire. The negative side has hydrogen bubble, and the positive side has oxygen bubble. Watch the positive side as the water turns blue ...
This is an amazing, scientific, rise effect with just a candle, a cup, and a Coke. Anybody can do it, so why not? ...
These guys make pennies change color in class. No, it's not real gold, and by the way - no, it's not real gold. Just watch and see how to do real alchemy, like you would in chemistry class. ...