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An Italian physicist at the head of a team that made a cautious but hugely controversial claim that neutrinos may travel faster than the speed of light resigned on Friday following calls for his dismissal.

Some people like company.

An international team that includes University of British Columbia physicists has used ultra-fast laser pulses to identify the microscopic interactions that drive high-temperature superconductivity.

Researchers have discovered a new way in which computers based on quantum physics could beat the performance of classical computers. The work, by researchers based in Singapore and the UK, implies that a Matrix-like simulation of reality would require less memory on a quantum computer than on a classical computer. It also hints at a way to investigate whether a deeper theory lies beneath quantum theory.

(PhysOrg.com) -- An international collaboration of scientists has reported a landmark calculation of the decay process of a kaon into two pions, using breakthrough techniques on some of the world's fastest supercomputers. This is the same subatomic particle decay explored in a 1964 Nobel Prize-winning experiment performed at the U.S. Department of Energy's Brookhaven National Laboratory (BNL), which revealed the first experimental evidence of charge-parity (CP) violation — a lack of symmetry between particles and their corresponding antiparticles that may hold the answer to the question "Why are we made of matter and not antimatter?"

Collaboration between the University of Southampton and the University of Cambridge has made ground-breaking advances in our understanding of the changes that materials undergo when rapidly heated.

(PhysOrg.com) -- UK's National Physical Laboratory time scientists have made an accurate measurement of the highly forbidden octupole transition frequency in an ytterbium ion, which could be used as the basis for the next generation of optical atomic clocks.

Active optical fibers with silicon photonic chips can carry a lot more information for data interconnect than copper cables. Silicon photonics can also be the material of choice for wiring 'lab-on-a-chip' devices — however, the construction of such devices is not without its challenges.

(PhysOrg.com) -- If you ever wanted to glimpse into Albert Einstein's thoughts, now you can. Last week, the complete catalog of about 80,000 documents written by or addressed to Einstein—letters, postcards, notebooks, and other papers—was made available online by the Hebrew University of Jerusalem and the Einstein Papers Project (EPP) at Caltech.

(PhysOrg.com) -- Physicists at the University of California, San Diego have discovered patterns which underlie the properties of a new state of matter.

American researchers have shown that prospective magnetic fusion power systems would pose a much lower risk of being used for the production of weapon-usable materials than nuclear fission reactors and their associated fuel cycle.

A team of physicists at UC Santa Barbara has seen the light, and it comes in many different colors.

Scientists working at the Institut Laue-Langevin, one of the world's leading centres for neutron science, have carried out the first investigation of two-dimensional fermion liquids using neutron scattering, and discovered a new type of very short wave-length density wave. The team believe their discovery, published in Nature, will interest researchers looking at electronic systems, since high temperature superconductivity could result from this type of density fluctuations.

(PhysOrg.com) -- Just as water, ice, and steam are all phases of the same material that are influenced by temperature and pressure, new research shows how transitions of state work in very simple lattices primarily composed of copper.

A $95-million rescue package for the world-class Australian Synchrotron research centre will ensure local scientists can “remain at the forefront of the highly competitive world of fundamental and applied research”, scientists said today.