Classes that were going to be hosted at the new MAPS 4 Coliseum have been moved after lightning struck an electrical transformer.

The US uses two standard electrical plug types: Plug Type A and Plug Type B. Both have two parallel pins for power, while the latter has an additional grounding pin for safety. But if you look ...

After all, it's one thing for other countries to have different plug types, but why must American electrical systems use some plugs with two prongs and others with three? Shouldn't they be uniform ...