If you live in snow country and own a home, you either have a snowblower or wish you did. The alternatives are either an ...

There’s a seemingly unending list of modifications or upgrades you can make to a 3D printer. Most revolve around the ...

The US government now admits failures by the pilots of an Army Black Hawk helicopter and a controller in the Reagan National Airport tower during the January 29 midair collision over the Potomac River ...

The crash on Jan. 29 left 67 people dead. The U.S. government admitted some failures and accepted liability for its role in the deadly Jan. 29 mid-air crash over the Potomac River between a commercial ...

Abstract: The conventional model reference adaptive system (MRAS) employs a proportional-integral (PI) controller with a low-pass filter (LPF). However, the LPF and integrator add phase delay and DC ...

Abstract: Nowadays, DC (direct current) motors are widely used in industry. Air conditioners, computer drives, electric toothbrushes, portable vacuum cleaners, drilling machines, trimmers, food mixers ...

D.C. police said the driver had fled a traffic stop before the crash. The two officers who attempted the traffic stop have been placed on administrative leave pending an investigation.