Neutron stars cast light on quark matter

Quark matter – an extremely dense phase of matter made up of subatomic particles called quarks – may exist at the heart of neutron stars. It can also be created for brief moments in particle colliders on Earth, such as ...

From chaos to order: How ants optimize food search

Ants are capable of complex problem-solving strategies that could be widely applied as optimization techniques. An individual ant searching for food walks in random ways, biologists found. Yet the collective foraging behaviour ...

Pigeon 'backpacks' track flock voting (w/ Video)

(PhysOrg.com) -- Pigeon flocks are guided by a flexible system of leadership in which almost every member gets a ‘vote’ but the votes of high-ranking birds carry more weight, a new study has shown.

New paths into the world of quasiparticles

Quasiparticles can be used to explain physical phenomena in solid bodies even though they are not actual physical particles. Physicists in Innsbruck have now realized quasiparticles in a quantum system and observed quantum ...

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