Physics

Cosmic radio burst offers path to weigh the Universe

In an article published in the latest issue of Science, Dr. Stuart Ryder from Macquarie University and Associate Professor Ryan Shannon from Swinburne University of Technology, leading a global team, have unveiled their groundbreaking discovery: the oldest and most distant fast radio burst ever detected, dating back approximately eight billion years.

Telescope reveals images of supermassive black hole at centre of galaxy

Astronomers have revealed images of a supermassive black hole at the centre of the Milky Way galaxy using the Event Horizon Telescope (EHT), a telescope array consisting of a global network of radio telescopes.

Confirming the pedigree of uranium cubes from Nazi Germany’s failed nuclear program

During World War II, Nazi Germany and the U.S. were racing to develop nuclear technology. Before Germany could succeed, Allied forces disrupted the program and confiscated some of the cubes of uranium at the heart of it. 

Ancient Kauri Trees Points to a Turning Point in Earth’s History 42,000 Years Ago

The temporary breakdown of Earth's magnetic field 42,000 years ago sparked major climate shifts that led to global environmental change and mass extinctions, a new international study co-led by UNSW Sydney and the South Australian Museum shows.

Primordial Black Holes & Search For Dark Matter From Multiverse

The Kavli Institute for the Physics and Mathematics of the Universe (Kavli IPMU) is home to many interdisciplinary projects which benefit from the synergy of a wide range of expertise available at the institute.

Belle II yields first results in search of the Z’ boson

The Belle II experiment has been collecting data from physical measurements for about one year now.

Does relativity lie at the source of quantum exoticism?

Since its beginnings, quantum mechanics hasn't ceased to amaze us with its peculiarity, so difficult to understand.

Discovery by UMass Lowell-led team challenges nuclear theory

A discovery by a team of researchers led by UMass Lowell nuclear physicists could change how atoms are understood by scientists and help explain extreme phenomena in outer space.

High altitude water Cherenkov Observatory tests speed of light

New measurements confirm, to the highest energies yet explored, that the laws of physics hold no matter where you are or how fast you're moving.

New explanation for sudden heat collapses in plasmas can help create fusion energy

Scientists seeking to bring the fusion that powers the sun and stars to Earth must deal with sawtooth instabilities -- up-and-down swings in the central pressure and temperature of the plasma that fuels fusion reactions, similar to the serrated blades of a saw.

Argonne and CERN weigh in on the origin of heavy elements

A long-held mystery in the field of nuclear physics is why the universe is composed of the specific materials we see around us. In other words, why is it made of "this" stuff and not other stuff?

New technique looks for dark matter traces in dark places

So far, the only direct evidence we have for the existence of dark matter is through gravity-based effects on the matter we can see.

Holographic cosmological model and thermodynamics on the horizon of the universe

The expansion of the Universe has occupied the minds of astronomers and astrophysicists for decades.

BU astrophysicist and collaborators reveal a new model of our heliosphere

The heliosphere is a vast region, extending more than twice as far as Pluto. It casts a magnetic "force field" around all the planets, deflecting charged particles that would otherwise muscle into the solar system and even tear through DNA.

Team to discover quasar tsunamis

Using the unique capabilities of NASA's Hubble Space Telescope, a team of astronomers led by Virginia Tech's Nahum Arav has discovered the most energetic outflows ever witnessed in the universe.

First-time direct proof of chemical reactions in particulates

Researchers at the Paul Scherrer Institute PSI have developed a new method to analyse particulate matter more precisely than ever before.

Breakthrough made towards building the world’s most powerful particle accelerator

An international team of researchers, affiliated with UNIST has for the first time succeeded in demonstrating the ionization cooling of muons.

Radar and ice could help detect an elusive subatomic particle

One of the greatest mysteries in astrophysics these days is a tiny subatomic particle called a neutrino, so small that it passes through matter...

Discovery points to origin of mysterious ultraviolet radiation

Billions of lightyears away, gigantic clouds of hydrogen gas produce a special kind of radiation, a type of ultraviolet light known as Lyman-alpha emissions.

‘Strange’ glimpse into neutron stars and symmetry violation

New results from precision particle detectors at the Relativistic Heavy Ion Collider (RHIC) offer a fresh glimpse of the particle interactions that take place in the cores of neutron stars and give nuclear physicists a new way to search for violations of fundamental symmetries in the universe.

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