The irregular, swirling motion of fluids we call turbulence can be found everywhere, from stirring in a teacup to currents in the planetary atmosphere. This phenomenon is governed by the Navier-Stokes ...

Abstract: A two spacecraft pursuit-evasion problem in a low earth orbit with two payoffs, is investigated by an integrated approach using the semi-direct nonlinear programming and the multiple ...

We collaborate with the world's leading lawyers to deliver news tailored for you. Sign Up for any (or all) of our 25+ Newsletters. Some states have laws and ethical rules regarding solicitation and ...