An aircraft developed by Boom Supersonic became the first independently funded jet to break the sound barrier this week. The XB-1 aircraft accelerated to Mach 1.05 at about 35,000 feet during ...

Electric sparks are used for welding, powering electronics, killing germs or for igniting the fuel in some car engines. Despite their usefulness, they are hard to control in open space, they split ...

Her expertise is in personal finance and investing, and real estate. Tariffs are a type of trade barrier that makes imported products more expensive than domestic ones. Tariffs typically come in ...