Search results for atomic nuclear

General Physics Jun 10, 2021

GEM simplifies the internal structure of protons and their collisions

Inside each proton or neutron there are three quarks bound by gluons. Until now, it has often been assumed that two of them form a "stable" pair known as a diquark. It seems, however, that it's the end of the road for the ...

Environment May 21, 2021

Plutonium particles from nuclear testing more complex than previously thought

More than 100 kg of highly toxic uranium (U) and plutonium (Pu) was dispersed in the form of tiny 'hot' radioactive particles after the British detonated nine atomic bombs in remote areas of South Australia, including Maralinga.

Materials Science May 18, 2021

Newly discovered quasicrystal was created by the first nuclear explosion at Trinity Site

A newly discovered quasicrystal that was created by the first nuclear explosion at Trinity Site, N.M., on July 16, 1945, could someday help scientists better understand illicit nuclear explosions and curb nuclear proliferation.

General Physics May 11, 2021

Simulating sneezes and coughs to show how COVID-19 spreads

Two groups of researchers at Sandia National Laboratories have published papers on the droplets of liquid sprayed by coughs or sneezes and how far they can travel under different conditions.

Space Exploration May 10, 2021

A new era of spaceflight? Promising advances in rocket propulsion

The US Defense Advanced Research Projects Agency (Darpa) has recently commissioned three private companies, Blue Origin, Lockheed Martin and General Atomics, to develop nuclear fission thermal rockets for use in lunar orbit.

Optics & Photonics Apr 22, 2021

Team improves polar direct drive fusion neutron sources for use in laser experiments

Scientists from Lawrence Livermore National Laboratory (LLNL) and the Laboratory for Laser Energetics (LLE) are working to improve polar direct drive (PDD) neutron sources on the National Ignition Facility (NIF), the world's ...

Materials Science Apr 14, 2021

Why do some alloys become stronger at room temperature?

An alloy is typically a metal that has a few per cent of at least one other element added. Some aluminum alloys have a seemingly strange property.

Astronomy Apr 1, 2021

Distant, spiralling stars give clues to the forces that bind sub-atomic particles

Space scientists at the University of Bath in the UK have found a new way to probe the internal structure of neutron stars, giving nuclear physicists a novel tool for studying the structures that make up matter at an atomic ...

General Physics Mar 30, 2021

Physicists flip particle accelerator setup to gain a clearer view of atomic nuclei

Physicists at MIT and elsewhere are blasting beams of ions at clouds of protons —like throwing nuclear darts at the speed of light—to map the structure of an atom's nucleus.

Materials Science Mar 29, 2021

Scientists find explanation for abnormally fast release of gas from nuclear fuel

Scientists at MIPT have found a possible explanation for the anomalously fast release of gas from nuclear fuel. Supercomputer simulations have uncovered an unexpected mechanism for accelerating the escape of gas bubbles from ...

page 23 from 40