Reactive optical matter: Light-induced motion

Newton's third law dictates that forces between interacting particles are equal and opposite for closed systems. In a non-equilibrium environment, the third law can be defied, giving rise to "nonreciprocal" forces. Theoretically, ...

Graphene: It is all about the toppings

Graphene consists of a single layer of carbon atoms. Exceptional electronic, thermal, mechanical, and optical properties have made graphene one of the most studied materials at the moment. For many applications in electronics ...

Researchers at IceCube detect record energy neutrinos

(Phys.org) —Researchers at the Antarctic research station IceCube are reporting that they've detected the highest ever energy neutrinos ever observed. In their paper they've uploaded to the preprint server arXiv, the team ...

Researchers build new fermion microscope

Fermions are the building blocks of matter, interacting in a multitude of permutations to give rise to the elements of the periodic table. Without fermions, the physical world would not exist.

Real-time observation of collective quantum modes

A cylindrical rod is rotationally symmetric - after any arbitrary rotation around its axis it always looks the same. If an increasingly large force is applied to it in the longitudinal direction, however, it will eventually ...

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