Rules of thumb don’t cut it in airtight homes. Here’s how to size, ventilate, and commission for real comfort.

Heat pumps are energy-efficient and reduce emissions; we turned to experts to determine if one will work in your home.

Abstract: A novel transverse flux linear synchronous motor (TFLSM) realizes the integrated functions of propulsion, levitation, and guidance for maglev trains. An efficient and reliable ...

Extension cords are fine for everyday gadgets, but using them with some appliances - especially in colder weather - can be ...