Electric sparks are used for welding, powering electronics, killing germs or for igniting the fuel in some car engines.

We can demonstrate this item in the museum along with a number of other electrical objects. Comments are closed for this object What's this? Most of the content on A History of the World is ...

These materials are known as electrical insulators. Make a list of all of the objects that you can see in the room. Separate these objects into conductors and insulators. Explain how you know if a ...

The agency found there are no specific physical security requirements for objects not designated as national defense objects. For years, electricity companies have had to decide for themselves, which ...