Should People Stop Drinking Water From a Purifier? Here's What Science Says
This Video of Purified Water, Milk, Curd Conducting Electricity Is Misleading! The video is misleading as it suggests ...
BBC2 年
Conductors and insulators
Other materials can also conduct electricity, as long as they let the charge flow freely through them. Like the graphite in a pencil. Or this salty water. Now, the outside of electric wires are ...