In physics and materials science, the term "spin chirality" refers to an asymmetry in the arrangement of spins (i.e., the ...

A rock on Mars spilled a surprising yellow treasure after Curiosity accidentally cracked through its unremarkable exterior. When the rover rolled its 899-kilogram (1,982-pound) body over the fragile ...

Tom Stoppard, who has died at 88, was one of the most critically acclaimed and commercially successful playwrights of our age. He won his first Tony Award for Rosencrantz and Guildenstern Are Dead in ...

Abstract: This paper proposes a fractional-order integral sliding mode control (FOISMC) to address the problems of excessive tracking error, slow dynamic response and poor interference immunity in the ...