All 67 people on board the plane and the helicopter were killed. An American Airlines regional jet went down in the Potomac River near Washington, D.C.'s Ronald Reagan Washington National Airport ...

Abstract: This brief presents a novel active fault-tolerant control (FTC) scheme for an unstable three-degree-of-freedom (3-DOF) helicopter subject to motor faults. The helicopter is instrumented only ...

Abstract: Attitude control was the key to helicopter flight control which was the internal loop of speed and trajectory control. So, design of the helicopter attitude controller was the focus in the ...

Common Sense is dedicated to improving the lives of kids and families by providing the trustworthy information, education, and independent voice they need to thrive.

View post: The 6 Best Snowmobiling Destinations in the U.S. Skiing, it seems, has gotten too serious. We wax nostalgic for the “good old days” while the sport constantly pushes the envelope of ...

It's a Saturday off for Ohio State football. In fact, the Buckeyes will not play again until December 31st in the 2025 Cotton Bowl. PHOTOS: Another round of snow blankets Central Ohio on Saturday Snow ...

Following a spate of lawsuits and investigations over its child safety systems, Roblox is going to implement mandatory facial verification for all users who want to access communication features, ...

Augmented-reality start-up Red 6 has for the first time equipped a rotorcraft with its technology. The company on 17 November said it has integrated its Advanced Tactical Augmented Reality Systems ...

I-80 closed in eastern Iowa due to severe weather and crashes I-80 closed in eastern Iowa due to severe weather and crashesInterstate 80 is closed in both directions across a large stretch of eastern ...