Physics World
@PhysicsWorld
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News, views and information for the global physics community
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Joined April 2009
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"As with all great discoveries this is just the beginning" says
@EHTelescope
director Shep Doeleman
#EHTblackhole
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Calculations suggest that exotic particle discovered at the LHC is a tetraquark
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Beam of titanium ions used to create superheavy nuclei, bringing an island of nuclear stability closer
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AI-generated pictures could be unmasked by analyzing human eyes in the same way that astronomers study images of galaxies
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NASA has cancelled a major Moon mission despite spending almost half a billion dollars on it
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A quantum-computing design that has eluded physicists for more than two decades has been realised in the Netherlands
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Non-physicists find success in the quantum industry, improving the university physics experience, what will replace the LHC? All in this podcast.
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A PET scan that specifically targets tuberculosis could enable more effective diagnosis and treatment monitoring.
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A single dose of stereotactic radiotherapy could reduce the number of eye injections needed to effectively control age-related macular degeneration.
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Which fields of physics have won the most
#NobelPrize
s? Check out this infographic for the answer.
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Learn about exciting breakthroughs in 4D printing and magnetic resonance imaging in this podcast
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#ad
A single dose of stereotactic
#radiotherapy
could reduce the number of eye injections needed to effectively control age-related macular degeneration.
#quantumtechnology
#quantumcomputing
#quantumsupplychain
#cryogenics
#nanopositioning
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Our collection on
#ArtificalIntelligence
explores how this rapidly developing technology is already being used in society, and ponders the ethical questions around how it should be used in the future.
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Limiting exposure to electrons in a responsive way allows fragile samples to be imaged used scanning transmission electron microscopy.
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Tsung-Dao Lee shared half of the 1957 Nobel Prize for Physics with Chen Ning Yang for their theoretical work that overturned the notion that parity is conserved in the weak force – one of the four fundamental forces of nature.
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#ad
🚀 Exciting PhD Opportunity
@LancasterUni
! 🚀
We have a fully funded PhD studentship available to develop cutting-edge technologies for in situ characterization of nuclear fission products!
Read more >>
#PhD
#NuclearScience
#Environmental
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The iconic physicist Richard Feynman was born 100 years ago today on 11 May 1918. Find out more on the Physics World blog about how the centenary of his birth is being celebrated around the world.
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The British theoretical physicist Peter Higgs, whose work led to the discovery of the Higgs boson, died yesterday on 8 April at the age of 94
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Capturing sunlight in space and beaming as microwaves down to Earth sounds a great way to generate electricicty, right? No, says NASA in a new report that pours cold water on the notion, as James McKenzie explains.
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Researchers discover that a temperate
#exoplanet
may have an atmosphere, could be covered in ice, and may even have an ocean of liquid water.
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How do you make a 6.5 m mirror fit inside a 4.57 m Ariane 5 rocket fairing without being too heavy to launch into space? For
@NASAWebb
it's complicated.
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At 3.5 m in diameter, the secondary mirror is one of the largest convex mirrors ever made and is the first permanent component of the observatory’s optical system to be installed
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Q: What went through your mind when you saw the evidence of the black hole at the centre of the Milky Way?
A: "The first thing was doubt. You have to prove to yourself that you're really seeing what you think you're seeing." - Andrea Ghez
#PhysicsNobel
#NobelPrize2020
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The supermassive black hole at the heart of M87 is nearly the size of our Solar System. Its also an active black hole, powering huge jets & having a dynamic impact across its host galaxy
#EHTblackhole
@EHTelescope
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The Nobel laureate Philip Anderson, who made numerous contributions to physics, has died aged 96
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At the age of 16, Kira Burt dropped out of high school. 16 years later she was at CERN working on her PhD in physics.
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Physicists will find it shocking, but there are plenty of people around the world who genuinely believe the Earth is flat. Explore why such views are increasingly taking hold, and the ways in which the physics community can best respond
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Strong evidence for life is spotted in the atmosphere of Venus
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Anne L’Huillier was teaching when she got the phone call from the
#NobelPrize
committee telling her she won. "The last half hour of my lecture was a bit difficult to do," she admits, but she went back to it anyway. "Teaching is very, very important."
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Lise Meitner was nominated for a Nobel Prize 48 times by 26 different scientists. So why didn't she win? The final entry in our "Overlooked for the Nobel" series considers a complex case of prejudice and politics.
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Is this the first year that the Nobel Prizes for Physics, Chemistry *and* Peace have all gone to physicists?!
The
#NobelPrize
for Narges Mohammadi is a reminder, if anyone needed it, that physics students go on to do amazing things - in physics and outside it.
As a young physics student Mohammadi distinguished herself as an advocate for equality and women’s rights. In 2011 she was arrested for the first time and sentenced to many years of imprisonment for her efforts to assist incarcerated activists and their families.
#NobelPrize
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"Lest there be any doubt, Adam Forrest Kay’s Escape from Shadow Physics demonstrates that the Bohr–Einstein debate remains unresolved, at least to anybody’s satisfaction, and continues to this day." writes Jim Baggott
@JimBaggott
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Alan Turing, the scientist famous for helping to crack the wartime Enigma code and pioneering the modern computer, has been chosen to appear on the Bank of England’s new £50 note.
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.
@jesswade
says that we must challenge outdated stereotypes that have made generations of innovative and talented young women believe they won’t be successful physicists and engineers
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Ocean's worth of water may be lurking deep below the surface of Mars, seismic study reveals
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#BlackInPhysics
week, which runs from 25-31 October, will celebrate the contributions that Black physicists make to science
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The first tetraquark comprising all charm quarks and antiquarks may have been spotted by physicists working
@LHCbExperiment
@CERN
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The Planck mission gave us the most precise value of the Hubble constant to date, but other measurements done through different methods don't seem to agree with Planck's value. So what's going on with the expansion rate of the universe?
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A theory of quantum gravity that describes the universe as beginning in a “Big Bounce” rather than a Big Bang has succeeded in explaining several anomalies in the cosmic microwave background, say physicists
@penn_state
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Water droplets move faster down bundles of fibres than down individual fibres – even when the total perimeter of the two structures is identical.
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Researchers at the Max Planck Institute of Quantum Optics have performed a quantum gate operation between two qubits in different laboratories.
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Paul Howarth is the CEO of UK’s National Nuclear Laboratory and our guest in this episode of the Physics World Weekly podcast. Click on the image to hear his take on small modular reactors and much more.
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We thought we knew how fast the cosmos is expanding, but recent measurements have cast doubt on our understanding. It has triggered a debate that could lead to new physics
#Hubble
#astronomy
#space
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How physics can help deliver the pledges made at the COP28 summit. Click below to read more.
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Zoom video call is powered by Google’s quantum computer
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The cores of some neutron stars may be dense enough to contain free quarks, and gravitational-wave data could confirm it, say researchers
@helsinkiuni
and
@CERN
.
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Still bored of the lockdown? Try this fun Physics World trivia quiz on all things space and astronomy to mark the 30th anniversary of
@NASAHubble
#space
#astronomy
#quiz
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A thermal transistor that uses an electric field to control the flow of heat could cool computer chips or even reveal how living cells regulate heat at the molecular level.
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The 200-year-old mystery of how the mineral dolomite forms may have finally been solved by a combination of computer simulations and electron microscopy. Click on the image to read more
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Next-gen atomic clocks run at optical frequencies. The best of them can remain precise to within a second after 50 billion years. And soon, for the first time, you’ll be able to buy one of your very own.
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Scientists with disabilities suffer $14,000 pay penalty, finds US study. Click below to read more.
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A new image showing magnetic fields surrounding the supermassive black hole M87* has been unveiled by scientists working on the Event Horizon Telescope
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A new pentaquark – an exotic hadron comprising five quarks – has been discovered by physicists working on the LHCb experiment at CERN.
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The solar system may have been formed in a long-ago collision between the Milky Way and its orbiting companion the Sagittarius dwarf galaxy according to researchers
@IAC_Astrofisica
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"By putting a fourth detector in Japan and a fifth detector in India, we’ll be able to rapidly determine good sky localization for gravitational-wave events anywhere in the sky. This is a wonderful thing."
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Stephen Hawking died peacefully at home this morning
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“Sad day” for astronomy as Arecibo Observatory in Puerto Rico is destroyed
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A device claimed to detect the virus that causes COVID-19 in ambient air within 2–3 min has been successfully tested at two universities in the US
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Ultrasound-activated inks could print 3D structures inside the human body. Click on the pic to read more.
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Motions of the planets put new limit on graviton mass.
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Reed College in the US is a small, prestigious and progressive liberal-arts institution. Yet within its open campus, is a nuclear reactor run by undergraduates - the only one in the US. Click below to read more about it
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Find out how to cook pasta the scientific way with
@DarioBressanini
, while also saving money on your fuel bill
#WorldPastaDay
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If you stack five layers of graphene together, it becomes multiferroic, exhibiting both unconventional magnetism and an exotic electronic behaviour dubbed “ferro-valleytricity”. These properties could be exploited in graphene information-storage devices.
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Solar-driven device continuously extracts water from the air for drinking or irrigation.
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Although antimatter stars are highly speculative, astronomers have identified 14 possible antistar candidates.
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Researchers at CERN and the University of Tokyo have independently laser-cooled clouds of positronium. The breakthrough should make it easier to make precision measurements of the properties of antimatter and allow researchers to produce more antihydrogen.
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“This would be a sensational breakthrough. For the time being, though, it is simply sensational.” - Nigel Hussey of
@BristolUni
on claims that researchers in Korea have discovered the first room-temperature, ambient-pressure superconductor.
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During the pandemic, we relied heavily on the internet and phones. But what if they all went offline? That's what's imagined in "Sigh No More", one of the sci-fi stories within the new anthology "Communications Breakdown". Click below to read our review
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A new coin celebrating the life of Stephen Hawking is being withdrawn because an error has been discovered in the equation for black-hole entropy that appears on the 50p piece.
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Sometimes the best progress in science takes place when people from different groups and different nations come together. There's no better example than the centenary of the prediction of Bose-Einstein condensation, say Robert P Crease and Gino Elia.
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"I'm thrilled to receive the prize and I take very seriously the responsibility of being the fourth woman to win the Nobel Prize [in physics]. I hope I can inspire other young women into the field. It's a field that has so many pleasures." - Andrea Ghez
#NobelPrize2020
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The first tetraquark composed of four quarks of different flavours has been discovered by physicists working on the
@LHCbExperiment
experiment
@CERN
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Gravitational waves from the most massive merger of two black holes ever seen have been detected by the LIGO–Virgo observatories. It involves the creation of a black hole with a mass of about 142 Suns.
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A quantum processor that can execute algorithms while correcting its own errors in real-time has been built and demonstrated in the US
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Is there a ninth planet or a primordial black hole lurking at the edge of our Solar System? Some astronomers argue we should send a fleet of tiny space probes to find out. The Physics World Stories podcast examines the mysterious case of
#Planet9
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The
@EHTelescope
has revealed the first-ever images of the supermassive black hole that lies at the heart of the huge M87 galaxy - find out what it means to spot the
#EventHorizon
and what it means for astronomy at large.
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2020
#NobelPrize
recipient Roger Penrose explains how he became interested in black hole singularities. Watch the full interview on our website
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Speakers at Acoustics 2023 Sydney shared the latest innovations in ultrasound technologies, including pain-free vaccination and monitoring muscle dynamics in real time. Click on the image to read more.
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Researchers adapt a clinical orthovoltage unit to treat the first two patients with minibeam radiation therapy.
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The Nobel Prize for Physics in 2020 has been awarded to Roger Penrose (1/2) and to Andrea Ghez (1/4) and Reihard Genzel (1/4). More details to follow.
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A optical circuit has performed a quantum computation called Gaussian boson sampling 100 trillion times faster than a supercomputer could
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Neutrinos produced by the elusive carbon–nitrogen–oxygen (CNO) cycle in the Sun have been observed for the first time – confirming a theory first proposed over 80 years ago.
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Congratulations to the international team that has bagged the Physics World 2020 Breakthrough of the year
@TUeindhoven
@UniJena
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A demon quasiparticle, a wooden transistor, and a fabric inspired by polar bears are some of our favourite materials physics research of 2023
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The cosmologist Arno Penzias, who discovered the cosmic microwave background with Robert Wilson, died on 22 January at the age of 90
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BREAKING NEWS: Astronomers working on the Event Horizon Telescope release the first-ever images of a
#blackhole
@ehtelescope
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Is it the smallest known black hole, or the largest known neutron star? What has LIGO–Virgo detected?
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A new camera that takes videos at record-breaking speeds of up to 100 billion frames per second in 3D has been demonstrated by researchers
@Caltech
.
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New class of light waves create the same pattern whether they travel through a complex scattering material or a homogenous medium such as air.
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New calculations that combine quantum mechanics with Einstein’s general theory of relativity suggest that gravastars could end up nested inside one another like a Russian Matryoshka doll
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A flexible, ultrathin optical sensor that uses carbon nanotubes to convert light into electrical signals has been unveiled
in Japan
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A group of self-styled “whistleblowers” at Fermilab, the US’s premier particle-physics facility, have claimed in a bombshell 113-page “white paper” that the lab is in “crisis” and that “without a complete [management] shake-up” it is “doomed”
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