51动漫

Physics

See the latest physics news and expert analysis on dark matter, the multiverse, theoretical and particle physics, quantum theory, and more from the world of physics.

A sound wave

Physics

Sound waves are a form of antigravity because they have negative mass

As sound waves travel, they float upwards away from the pull of gravity. That鈥檚 because they have negative mass, so they鈥檙e repelled by massive objects

The Milky Way

Physics

Dark matter might be harder to detect because it鈥檚 not from our galaxy

Mathematician Caucher Birkar

Physics

Kurdish refugee wins the Fields medal – the biggest prize in maths

Physics

51动漫 Live: will we ever understand the true nature of time?

Physics

Self-healing graphene could make robots that fix themselves with water

Physics

Starlight stretched by Milky Way’s black hole proves Einstein right

The main gate of Los Alamos

Physics

The uranium hunters: Inside the school that trains nuclear inspectors

Physics

We might only see time because we can鈥檛 think in quantum physics

Physics

The sun shrinks and grows again by 2 kilometres every 11 years

Physics

Levitating glass particles are fastest spinning objects ever seen

Tiny particles of glass have been trapped in a laser and spun at more than 1 billion times per second, the fastest rotation of any object ever seen

Physics

Trump’s meeting with Putin may have had a surprise nuclear twist

Physics

Tiny sensors in your phone could be made from recycled wood

Physics

Artificial skin grown from spider silk could help heal wounds

Physics

Violent black holes spit neutrinos at Earth and we finally caught one