The diesel-electric locomotive has been a mainstay of freight railroads and many passenger railroads for over a century. These locomotives have proven to have a great mix of power, fuel economy, and ...

AC and DC power differ in direction, usage, and efficiency. Learn the basics of how alternating and direct current work and ...

Portable AC units are not the cheapest or most energy-efficient way to cool down a room. We know this, but we also know this ...

Implement independent control of positive and negative half-cycle phase angles using separate trigger-time constant-setting ...

Paul Mario Day, who was the original singer of Iron Maiden, has died at the age of 69. His cause of death is yet to be ...

Air conditioners in every apartment shouldn't be the first line of defence against extreme heat, experts say, because there's ...

Wilson says federal involvement is needed to ensure cooling for low-income tenants is affordable, so that the most vulnerable ...