Physicists have solved a long-standing problem involving systems that appear to violate Newton’s third law, such as bird flocks and bacterial swarms. By adding carefully designed “imaginary partners” ...

Trump claims the US-Iran war has ended after a memorandum of understanding, but Iran denies any final deal. Ongoing military activity, a US naval blockade, and conflicting statements mean true peace ...

Abstract: In order to suppress the swing of slung load during the flight of the quadrotor unmanned aerial vehicle (UAV), a new double closed-loop nonlinear control method Newton–Euler is proposed ...