Abstract: This article devises a new dynamic double event-triggered anti-disturbance tracking control scheme for a 2-degree of freedom (DOF) laboratory helicopter subject to external time-varying ...

Conventional air defense has been disrupted in an age of drone warfare, where sophisticated and expensive systems risk being ...

Fans reduce energy costs; if they’re whisper quiet, they can also promote restful sleep. We tested top-rated low-decibel fans—their quiet operation blew us away.

Discover the thrilling process of creating your own Helicopter Car in this step-by-step guide! This video takes you through the essentials of building a vehicle capable of both driving and flying.

Abstract: The in-wheel motor (IWM) drive is an innovative propulsion system with significant potential for transportation electrification. However, the increased unsprung mass due to the IWM unit ...

Microplastics have quietly infiltrated even the most remote corners of Alaska, from urban waterways to the icy peaks of Denali, and a new lab at Alaska Pacific University is determined to find out how ...

Microsoft will require employees to work in the office three days per week next year, a major shift for one of the last remote-work-friendly tech giants. The policy will take effect Feb. 23 for ...

CELEBRITIES BORN ON THIS DAY: Michelle Williams, 45; Eric Stonestreet, 54; Adam Sandler, 59; Hugh Grant, 65. Happy Birthday: Take control and make things happen this year. If you crave change or ...

The Supreme Court on Monday paused a ruling by a federal judge in Los Angeles that imposed restrictions on the ability of federal agents to make immigration stops that the plaintiffs say are based on ...