article_text stringlengths 294 32.8k ⌀ | topic stringlengths 3 42 |
|---|---|
In 1981, many of the world’s leading cosmologists gathered at the Pontifical Academy of Sciences, a vestige of the coupled lineages of science and theology located in an elegant villa in the gardens of the Vatican. Stephen Hawking chose the august setting to present what he would later regard as his most important idea... | Physics |
The AMS-02 experiment aboard ISS.Image: NASAA team of physicists determined that enigmatic ‘antinuclei’ can travel across the universe without being absorbed by the interstellar medium. The finding suggests we may be able to identify antimatter that is produced by dark matter in deep space.OffEnglishThe physicists esti... | Physics |
Solar power gathered far away in space, seen here being transmitted wirelessly down to Earth to wherever it is needed. The European Space Agency plans to investigate key technologies needed to make Space-Based Solar Power a working reality through its SOLARIS initiative. One such technology – wireless power transmissio... | Physics |
Ice cubes float in water because they’re less dense than the liquid. But a newfound type of ice has a density nearly equal to what’s in your water glass, researchers report in the Feb. 3 Science. If you could plop this ice in your cup without it melting immediately, it would bob around, neither floating nor sinking.
Th... | Physics |
Taken from the June 2022 issue of Physics World. Members of the Institute of Physics can enjoy the full issue via the Physics World app. Ancient glass is not just of interest to historians and archaeologists – it may also hold the key to understanding the durability of vitrified nuclear waste. Rachel Brazil investigate... | Physics |
Towards ultrafast logic gates (Courtesy: University of Rochester illustration / Michael Osadciw) The first logic gate to operate at femtosecond timescales could help usher in an era of information processing at petahertz frequencies – a million times faster than today’s gigahertz-scale computers. The new gate, develope... | Physics |
Image: Adam Patrick Murray/IDG For a long, long time, PCs have been chasing the idea of “no moving parts” as a platonic ideal for efficiency and reliability. And for just as long, active cooling has been an impediment to this goal: for high-powered electronics, you just can’t beat a fan and moving air for cooling stuff... | Physics |
First of two parts There’s just enough time left in 2014 to sneak in one more scientific anniversary, and it just might be the most noteworthy of them all. Fifty years ago last month, John Stewart Bell transformed forever the human race’s grasp on the mystery of quantum physics. He proved a theorem establishing the dep... | Physics |
NEWS AND VIEWS 04 January 2023 Ferroelectricity has been found in a superconducting compound. Strong coupling between these two properties enables ferroelectric control of the superconductivity, which could prove useful for quantum devices. Kenji Yasuda Kenji Yasuda is in the Department of Physics, Massachusetts Instit... | Physics |
Scientists said the five-year, $60 million search finally got underway two months ago after a delay caused by the Covid-19 pandemic.Researchers walk through an old mining tunnel to what is now the Sanford Underground Research Facility in Lead, S.D., on Dec. 8, 2019. The laboratory houses a dark matter detector. Stephen... | Physics |
It worked! Humanity has, for the first time, purposely moved a celestial object. As a test of a potential asteroid-deflection scheme, NASA’s DART spacecraft shortened the orbit of asteroid Dimorphos by 32 minutes — a far greater change than astronomers expected. The Double Asteroid Redirection Test, or DART, rammed int... | Physics |
Nuclear fusion powers the Sun, and if we could harness it here on Earth we would benefit from a clean and abundant source of energy. However, creating a fusion power plant remains a formidable technical challenge.
This episode of the Physics World Weekly podcast features an interview with Nick Hawker, who is co-founder... | Physics |
NASA will use a spacecraft later this month to test a planetary-defense method that could one day save Earth.The Double Asteroid Redirect Test spacecraft, otherwise known as DART, will be used as a battering ram to crash into an asteroid not far from Earth on Sept. 26. The mission is an international collaboration to p... | Physics |
The world’s most powerful heavy-ion accelerator, the Facility of Rare Isotope Beams at Michigan State University, exploits transistor-based power amplifiers to generate beam intensities of up to 400 KeV Going straight: at the heart of the Facility of Rare Isotope Beams is a 500 m linear accelerator that can generate be... | Physics |
Liang Wu is an assistant professor in the Department of Physics and Astronomy at the School of Arts & Sciences. Credit: University of Pennsylvania Already used in computers and MRI machines, superconductors—materials that can transmit electricity without resistance—hold promise for the development of even more advanced... | Physics |
Born in the cradle of deep space, shooting at nearly the speed of light and harnessing energy up to a million times greater than anything achieved by the world's most powerful particle accelerator, cosmic rays are atom fragments that relentlessly rain down on Earth. They get caught in our atmosphere and mess up our sat... | Physics |
What happened
For the first time, scientists have entangled atoms for use as networked quantum sensors, specifically, atomic clocks and accelerometers.
The research team’s experimental setup yielded ultraprecise measurements of time and acceleration. Compared to a similar setup that does not draw on quantum entanglemen... | Physics |
Anomaly localization: Lung scans from patients with COVID-19 infection (rows 1–3) and healthy controls (rows 4–5). From left to right: original CT image; attention maps generated by four example latent distributions (warmer colours indicate regions of anomalies); aggregated attention map; segmentation mask; and ground ... | Physics |
Everyone has the same comment about Batman: He's cool because he's just a normal dude, but he's also a superhero. It’s true, he doesn't have superpowers. However, what he does have is a combination of skills and equipment.In the movie The Batman, we get to see him use one of his "toys"—his ascender gun. (It's also know... | Physics |
By Matt WilliamsThe Multiverse Theory, which states that there may be multiple or even an infinite number of Universes, is a time-honored concept in cosmology and theoretical physics. While the term goes back to the late 19th century, the scientific basis of this theory arose from quantum physics and the study of cosmo... | Physics |
Louis Minion reviews Nano Comes to Life: How Nanotechnology is Transforming Medicine and the Future of Biology by Sonia Contera The future is nano The development of nanoscience means biology and medicine can be approached from an engineering perspective. (Courtesy: Shutterstock / FrimuFilms) Part showcase, part manife... | Physics |
These new systems will be available primarily for R&D purpose to a wide range of European users, no matter where in Europe they are located, to the scientific communities, as well as to industry and the public sector. The selected proposals ensure a diversity in the quantum technologies and architectures to give Europe... | Physics |
We don’t have to worry too much about our Sun. It can burn our skin, and it can emit potent doses of charged material—called Solar storms—that can damage electrical systems. But the Sun is alone up there, making things simpler and more predictable.
Other stars are locked in relationships with one another as binary pair... | Physics |
The world’s most powerful telescope has made its first observations of a planet beyond our solar system, heralding in a new era of astronomy in which distant worlds can be scanned for signs of life.The observations, from Nasa’s James Webb Space Telescope, give new insights into the formation of the planet, a hot gas gi... | Physics |
If you thought entangling qubits using the Fibonacci sequence was confusing, you’d better hold onto something. A team of physicists recently found that quantum systems can imitate wormholes, theorized shortcuts in spacetime, in that the systems allow the instantaneous transit of information between remote locations.Off... | Physics |
Travelling wave: new computational research has revealed the role of friction in how dominoes topple. (Courtesy: iStock/Soulmemoria) Inspired by a video on YouTube, two researchers have uncovered new insights into the physics of toppling dominoes. Through an extensive set of simulations, David Cantor at Canada’s Polyte... | Physics |
“Exascale” sounds like a science-fiction term, but it has a simple and very nonfictional definition: while a human brain can perform about one simple mathematical operation per second, an exascale computer can do at least one quintillion calculations in the time it takes to say, “One Mississippi.”
In 2022 the world’s f... | Physics |
Scientists at Lawrence Livermore National Laboratory passed a major fusion milestone in December, igniting a fusion reaction that for a fleeting moment produced more energy than was used to trigger it.The achievement is the high-water mark for fusion research, a field that produced thermonuclear weapons more than 70 ye... | Physics |
In the much-missed student quiz show Blockbusters, teenagers would ask host Bob Holness for a letter from a hexagonal grid. How we laughed when a contestant asked for a P!Holness would reply with a question in the following style: What P is…For example: What P is an area of cutting edge mathematical research and also a... | Physics |
In this episode of the Physics World Weekly podcast, collision expert Michael Hall explains how Newtonian physics is used to piece together what happened in motor vehicle accidents, sometimes revealing insurance fraud. Hall is a physicist and head of research at GBB – a company in Preston, UK, that provides impartial s... | Physics |
Illustration of two a chip comprising two entangled quantum light sources. Credit: Peter Lodahl In a new breakthrough, researchers at the University of Copenhagen, in collaboration with Ruhr University Bochum, have solved a problem that has caused quantum researchers headaches for years. The researchers can now control... | Physics |
Physics World is delighted to announce its top 10 Breakthroughs of the Year for 2022, which span everything from quantum and medical physics to astronomy and condensed matter. The overall Physics World Breakthrough of the Year will be revealed on Wednesday 14 December.
The 10 Breakthroughs were selected by a panel of P... | Physics |
Quarks are elementary particles and a fundamental constituent of matter. They are the smallest things we know of and are not made up of anything smaller or simpler. Quarks come in six different “flavors”: up, down, charm, strange, top, and bottom. They are never found alone in nature, but are always found in combinatio... | Physics |
In a Best-in-Physics presentation at the AAPM Annual Meeting, Arutselvan Natarajan showed how a long-lived antibody PET tracer could enable biology-guided radiation therapy for five consecutive days following a single tracer injection Development team: Stanford researchers (left to right) Hieu Nguyen, Guillem Pratx, Ar... | Physics |
The letters “www” are typically followed by a “dot” — but not in this experiment. Around 270 WWW events, trios of particles called W bosons, appeared in an experiment at the world’s largest particle collider, researchers report in the Aug. 5 Physical Review Letters. By measuring how often W boson triplets appear in suc... | Physics |
Attracting talent: The House of Lords Science and Technology Committee have come up with four policy recommendations to tackle the UK’s skills shortage (Courtesy: iStock/Studio Pro) The UK must attract highly qualified workers from abroad if the country wants to have a flourishing industry and economy. That is one of f... | Physics |
On Oct. 9, an unimaginably powerful influx of X-rays and gamma rays infiltrated our solar system. It was likely the result of a massive explosion that happened 2.4 billion light-years away from Earth, and it has left the science community stunned.In the wake of the explosion, astrophysicists worldwide turned their tele... | Physics |
By Christopher Wiebe - University of WinnipegIf you think technologies from Star Trek seem far-fetched, think again. Many of the devices from the acclaimed television series are slowly becoming a reality. While we may not be teleporting people from starships to a planet’s surface anytime soon, we are getting closer to ... | Physics |
Ice, specifically water ice, is a very useful resource for planetary colonists and explorers alike as it can be used to grow crops and even form the basis of rocket fuel. The martian north- and south pole are both covered with a layer of frozen carbon dioxide, also known as dry ice, of respectively 1 meters and 8 meter... | Physics |
David Leigh dreams of building a small machine. Really small. Something minuscule. Or more like … molecule. “Chemists like me have been working on trying to turn molecules into machines for about 25 years now,” says Leigh, an organic chemist from the University of Manchester in the United Kingdom. “And of course, it's ... | Physics |
It’s 10 years to the day since evidence of the Higgs boson – the elusive particle associated with an invisible mass-giving field – was announced. But for Prof Daniela Bortoletto the memories are as fresh as ever.“I just remember joy. I remember that everybody was so happy. And what surprised me [was] how everybody was ... | Physics |
Treatment plan comparisons CT images overlaid with dose-weighted LET distributions for three planning strategies: the base clinical distribution (left), a three-beam orientation (centre) and an alternate-beam-angle setup (right). The clinical target volume is outlined in red and the brainstem in blue. (Courtesy: CC BY ... | Physics |
Taken from the July 2022 issue of Physics World. Members of the Institute of Physics can enjoy the full issue via the Physics World app. Particle man Peter Higgs visits the CMS experiment at CERN in 2008. (Courtesy: CERN) As someone who was working at CERN at the time, the 2012 discovery of the Higgs boson is close to ... | Physics |
This episode of the Physics World Weekly podcast features an interview with Andrew Cheng, who is a lead scientist on the Double Asteroid Redirection Test (DART) space mission. In September 2022 the DART spacecraft smashed into an asteroid and was successful in changing the orbit of that near-Earth object.
DART was conc... | Physics |
Taken from the August 2022 issue of Physics World, where it appeared under the headline "Magnetic economy". Members of the Institute of Physics can enjoy the full issue via the Physics World app. James McKenzie realizes that we’re going to need lots of magnets if we want to turn the economy green Green future Electric ... | Physics |
U.S. scientists have achieved “ignition” — a fusion reaction that produced more energy than it took to create — a critical milestone for nuclear fusion and a step forward in the pursuit of a nearly limitless source of clean energy, Energy Department officials said Tuesday. Nuclear fusion, the process that powers the s... | Physics |
Anna Mani was an Indian physicist and meteorologist who made many valuable contributions to the design of weather observation instruments, playing a vital role in making India self-reliant in measuring aspects of the weather. She was also an early advocate for harnessing solar and wind power as alternative energy sourc... | Physics |
Plan comparisons Radiotherapy treatment plan for a head-and-neck cancer patient, with the planning target volume (PTV) outlined in red. The graph shows the physical dose–volume histogram (DVH), the radiobiological DVH from EQD2VH and the point-dose calculation method, for the PTV and an organ-at-risk. (Courtesy: CC BY ... | Physics |
The Mayneord-Phillips Educational Programme (MPEP), run by the Institute of Physics, the British Institute of Radiology, and the Institute of Physics and Engineering in Medicine is a forum for early-career professionals to explore new developments in medical physics, enhance subject-knowledge and form long-term network... | Physics |
A train that’s faster than a plane What sounded like science fiction, may become a reality. Traveling in a train at 1,000 km/h (620 mph), faster than a plane, will be possible in the near future. TRANSPOD’S ‘FLUXJET’ WILL REDEFINE PASSENGER + CARGO TRANSPORT TransPod, the Canadian startup building the world’s leading ... | Physics |
For nearly 650 years, the fortress walls in the Chinese city of Xi’an have served as a formidable barrier around the central city. At 12 meters high and up to 18 meters thick, they are impervious to almost everything — except subatomic particles called muons.
Now, thanks to their penetrating abilities, muons may be key... | Physics |
Artificial intelligence has the potential to revolutionize quantum physics. In a recent study, a team of researchers from the University of Toronto used artificial intelligence to reduce a 100,000-equation quantum physics problem to only four equations.The research was published in the journal Nature Communications.In ... | Physics |
White holes are theoretical space objects that are the opposites of black holes. If black holes eat everything, then white holes, on the contrary, don’t let anything enter them. White Holes wouldn’t appear white. White holes are just a name. We still have not discovered their twin “White Holes.” However, some scientist... | Physics |
Story at a glance Energy Secretary Jennifer Granholm is expected to announce a major scientific breakthrough on Tuesday, according to numerous media reports. It’s anticipated Granholm will announce federal scientists successfully achieved a net energy gain in a nuclear fusion reaction for the first time. If true, the ... | Physics |
ABSTRACT breaks down mind-bending scientific research, future tech, new discoveries, and major breakthroughs.Scientists who are working toward the dream of nuclear fusion, a form of power that could potentially provide abundant clean energy in the future, have discovered surprising and unexplained behavior among partic... | Physics |
Research News
Physicists have invented a new type of analogue quantum computer that can tackle hard physics problems that the most powerful digital supercomputers cannot solve.
New research published in Nature Physics by collaborating scientists from Stanford University in the USA and University College Dublin (UCD) in... | Physics |
Black holes are among the most awesome and mysterious objects in the known Universe. These gravitational behemoths form when massive stars undergo gravitational collapse at the end of their lifespans and shed their outer layers in a massive explosion (a supernova). Meanwhile, the stellar remnant becomes so dense that t... | Physics |
The scientist Simon Altmann, who has died aged 98, crossed the boundaries between theoretical physics, theoretical chemistry and mathematics.Born and brought up in Buenos Aires, Argentina, he was the son of Aarón Altmann, a travelling salesman, and his wife, Matilde (nee Branover), a secretary. Simon obtained a doctora... | Physics |
Etiamophobia is the fear of an asteroid hitting the Earth, presumably ending all life as we know it. While improbable before, we now have a means to protect humanity from the whims of an unpredictable universe. On Monday evening, about seven million miles away, NASA’s Double Asteroid Redirection Test (DART), at last m... | Physics |
An illustration showing the internal workings of heavier (left) and lighter (right) neutron stars, imagined as pralines.Illustration: Peter Kiefer & Luciano RezzollaAstrophysicists modeling the insides of neutron stars have found that the extremely compact objects have different internal structures, depending on their ... | Physics |
On a cold winter day, the warmth of the sun is welcome. Yet as humanity emits more and more greenhouse gases, the Earth’s atmosphere traps more and more of the sun’s energy and steadily increases the Earth’s temperature. One strategy for reversing this trend is to intercept a fraction of sunlight before it reaches our ... | Physics |
Scientists today wield an arsenal of cutting-edge technology. Chemical engineers can turn CO2 into vodka, planetary scientists can work in outer space and physicists can manipulate single atoms in the lab. Researchers use these tools to figure out who we are and how we got here. Like Taylor Perron, a geomorphologist wh... | Physics |
© Provided by ScienceAlert Illuminated tunnel of light Nothing can go faster than light. It's a rule of physics woven into the very fabric of Einstein's special theory of relativity. The faster something goes, the closer it gets to its perspective of time freezing to a standstill. Go faster still, and you run into issu... | Physics |
Scientists have simulated what would happen if a nuclear bomb was dropped on a major city.Whether you're close enough to be vaporised in an instant, or within range of possible radiation poisoning, there's no such thing as a good place to be if one goes off where you live.
But a new peer-reviewed study, published in Ph... | Physics |
Every field of science has its favorite anniversary.
For physics, it’s Newton’s Principia of 1687, the book that introduced the laws of motion and gravity. Biology celebrates Darwin’s On the Origin of Species (1859) along with his birthday (1809). Astronomy fans commemorate 1543, when Copernicus placed the sun at the c... | Physics |
1D bands take on electronic or magnetic properties. Courtesy: Yakobson Research Group/Rice University Researchers at Rice University in the US have proposed a new way of controlling the magnetic and electronic properties of single-layer two-dimensional materials that involves growing or stamping them on a carefully des... | Physics |
News & Views Published: 22 December 2022 Integrated optics Nature Photonics (2022)Cite this article The resonance wavelengths of optical Möbius strip microcavities can be continuously tuned via geometric phase manipulation by changing the thickness-to-width ratio of the strip. Microring resonators have gained a promine... | Physics |
CAPE CANAVERAL, Fla. (AP) — A spacecraft that plowed into a small, harmless asteroid millions of miles away succeeded in shifting its orbit, NASA said Tuesday in announcing the results of its save-the-world test.The space agency attempted the first test of its kind two weeks ago to see if in the future a killer rock co... | Physics |
Composite image of the Didymos-Dimorphos system taken on November 30, showing its new ejecta tail. Image: Magdalena Ridge Observatory/NM TechScientists continue to pore over the results of NASA’s stunningly successful DART test to deflect a harmless asteroid. As the latest findings suggest, the recoil created by the bl... | Physics |
On the morning of October 9, astronomers’ inboxes pinged with a relatively modest alert: NASA’s Swift Observatory had just detected a fresh burst of energy, assumed to be coming from somewhere within our own galaxy. But six hours later—when scientists realized an instrument on the Fermi Space Telescope had also flagged... | Physics |
It’s not easy for human beings to clean up after a hurricane or oil spill. To find out what hazardous chemicals are in an area, or if the air is safe to breathe, disaster response teams risk putting themselves in danger.So David Lary, a physics professor at the University of Texas at Dallas, is developing a safer clean... | Physics |
Home News Science & Astronomy This composite image shows the distribution of dark matter, galaxies, and hot gas in the core of the merging galaxy cluster Abell 520, formed from a violent collision of massive galaxy clusters. The blend of blue and green in the center of the image reveals that a clump of dark matter resi... | Physics |
Longstanding models of the brain describe it as something like a biological computer. According to this traditional picture, the brain processes information like a relay. Individual neural cells detect a stimulus, then pass that data along from one neuron to the next, through a sequence of gates.The model isn’t wrong, ... | Physics |
In a famous letter to a bereaved family friend, Einstein wrote: “For those of us who believe in physics, the distinction between past, present and future is only a stubbornly persistent illusion". This has been widely interpreted to mean that Einstein’s theory of relativity itself implies that the passage of time is a... | Physics |
Nestled within the landscape of South Dakota lies the deepest subterranean laboratory in the United States -- a 1,490 meter below-ground, cutting-edge science cavern called the Sanford Underground Research Facility. The experiments conducted here are just as mysterious as you might expect. Things like neutrino physics;... | Physics |
In this April 13, 2017 photo provided by NASA, technicians lift the mirror of the James Webb Space Telescope using a crane at the Goddard Space Flight Center in Greenbelt, Md. The telescope is designed to peer back so far that scientists will get a glimpse of the dawn of the universe about 13.7 billion years ago and zo... | Physics |
The cosmic inflation hypothesis is needed for the Big Bang model to work, but in its current form, it remains a mere hypothesis, unable to be falsified. A new proposal for how it could be put to the test could result in overthrowing the Big Bang model altogether, opening up new possibilities regarding the origins of th... | Physics |
On December 5, scientists at the Lawrence Livermore National Laboratory took the first step toward harnessing a new abundant, clean form of energy. For the first time, they harnessed extra power from nuclear fusion, a reaction in which hydrogen is heated up to extremely high temperatures and converted into helium — the... | Physics |
Scientists, including an Oregon State University College of Science materials researcher, have developed a better tool to measure light, contributing to a field known as optical spectrometry in a way that could improve everything from smartphone cameras to environmental monitoring.The study, published today in Science,... | Physics |
Against the current: Alex Müller made pioneering contributions to superconductivity (Courtesy: Nobel Foundation) The Swiss condensed-matter physicist and Nobel laureate Alex Müller died on 9 January at the age of 95. Müller shot to fame in 1986 when he and his colleague Georg Bednorz discovered a material with supercon... | Physics |
I aimed a 1,500-foot iron asteroid traveling at 38,000 miles per hour with a 45-degree impact angle at Gizmodo’s office in Midtown, Manhattan.Screenshot: Gizmodo/Neal.FunHundreds of thousands of asteroids lurk in our solar system, and while space agencies track many of them, there’s always the chance that one will sudd... | Physics |
Credit: Angewandte Chemie International Edition (2022). DOI: 10.1002/anie.202207975 In science, no matter what the field, expertise often intersects. At the Institut National de la Recherche Scientifique (INRS), this is especially true for many areas of study where faculty members collaborate to push the limits of a sp... | Physics |
The performance of some quantum technologies could be boosted by exploiting interactions between nitrogen-vacancy (NV) centres and defects on the surface of diamond – according to research done by two independent teams of scientists in the US.
NV centres in diamond have emerged as a promising solid-state platform for q... | Physics |
The mathematician shares his latest theories on quantum consciousness, the structure of the universe and how to communicate with civilisations from other cosmological aeons Physics 14 November 2022 Dave Stock
EARLY in his career, the University of Oxford mathematician Roger Penrose inspired the artist M. C. Escher to c... | Physics |
An international team of researchers has created an extraordinary virtual representation of our universe. It is the largest and most accurate virtual simulation of its kind to date. The team used supercomputer simulations to recreate the entire evolution of the cosmos, from the Big Bang to the present day. Simulating o... | Physics |
Who will we be hearing from? The news briefing will be led by Jennifer Granholm - she's the US secretary of state for energy.Joining her at the Lawrence Livermore National Laboratory are:Jill Hruby, under secretary for nuclear security and National Nuclear Security Administration administratorDr Arati Prabhakar, White ... | Physics |
On Sunday, October 9, Judith Racusin was 35,000 feet in the air, en route to a high-energy astrophysics conference, when the biggest cosmic explosion in history took place. “I landed, looked at my phone, and had dozens of messages,” said Racusin, an astrophysicist at NASA’s Goddard Space Flight Center in Maryland. “It ... | Physics |
Twist, bend and stretch The new stretchable sensor can detect even minor changes in strain with greater range of motion than previous technologies. The patterned cuts enable large deformation without sacrificing sensitivity. (Courtesy: Shuang Wu, NC State University) Soft and stretchable strain sensors are invaluable f... | Physics |
After failing to reproduce last year’s record-breaking fusion-energy shot, scientists at the US National Ignition Facility have gone back to the drawing board. Edwin Cartlidge discusses their next steps One hit wonder? A record-breaking shot at the National Ignition Facility in 2021 that yielded 1.37 MJ has not been re... | Physics |
10/06/2022 | Pressemitteilung Researchers at Paderborn and Ulm universities are developing the first programmable optical quantum memory
Tiny particles that are interconnected despite sometimes being thousands of kilometres apart – Albert Einstein called this ‘spooky action at a distance’. Something that would be inexp... | Physics |
Gripping demonstration: researchers test the Octa-glove in the lab of Michael Bartlett. (Courtesy: Alex Parrish/Virginia Tech) Inspired by the way the skin on octopus arms works, researchers at Virginia Tech in the US have developed a new rapidly switchable adhesive that sticks securely to objects underwater. The mater... | Physics |
How shade is cast reveals details of the rugged lunar landscape, allowing NASA to create 3D models for astronauts and rovers. AS EARLY AS 2025, NASA’s astronauts will be back on the moon. It will be the first return since the 1970s, and the first time humans will explore the moon’s south polar region. What they find th... | Physics |
A few of the deeper returning questions people engage with in conversations and discussions about cosmology relate to what happened before the big bang and what instigated the big bang in the first place; in other words, how does something come from nothing. With these questions, we currently find ourselves at the edge... | Physics |
A visualization of a mathematical apparatus used to capture the physics and behavior of electrons moving on a lattice. Each pixel represents a single interaction between two electrons. Until now, accurately capturing the system required around 100,000 equations—one for each pixel. Using machine learning, scientists red... | Physics |
The James Webb Space Telescope accidentally found an asteroid, and NASA says it's likely the smallest observed to date by the observatory.
International astronomers detected an asteroid roughly the size of Rome's Colosseum, between 300 and 650 feet in length.
The space rock was found when analyzing data from the calibr... | Physics |
Astronomers have captured the Milky Way’s supermassive, mysterious abyss, 27,000 light-years from Earth.Event Horizon TelescopeWe live in the inner rim of one of the Milky Way’s spiral arms, a shimmery curve against inky darkness. Travel for thousands of light-years in one direction, past countless stars, countless pla... | Physics |
Illustration of the new bowtie structure, which can be seen in the middle of the picture. The bowtie structure compresses light spatially, and the nanostructures around it store it temporally. The result is a compression of light to the smallest scale to date – the world’s smallest photon in a dielectric material. Cred... | Physics |
Meteor Crater in Arizona. Meteorite fragments from the impact contain lonsdaleite.Photo: DANIEL SLIM/AFP (Getty Images)New research indicates that a rare form of diamond may originate in the burbling cores of distant worlds, arriving on Earth thanks to violent cosmic collisions.According to a team of scientists in Aust... | Physics |
image: Experimental configuration of quantum interference between two independent solid-state QD single-photon sources separated by 302 km fiber. DM: dichromatic mirror, LP: long pass, BP: band pass, BS: beam splitter, SNSPD: superconducting nanowire single- photon detector, HWP: half-wave plate, QWP: quarter-wave plat... | Physics |
Imagine an engine that needs no propellant. It sounds impossible, and it most likely is. That's not stopping one NASA engineer from testing theories around the EmDrive — a conceptual "helical" engine that could defy the laws of physics and create forward thrust without fuel.Such a creation would allow us to travel the ... | Physics |
Subsets and Splits
Unique Topics Sorted
Provides a simple list of all unique topics in the training dataset, which helps identify the range of subjects covered but offers minimal analytical insight beyond basic categorization.
List Unique Topics
Simple retrieval of unique topics from the dataset, useful for basic exploration but lacks deeper insights.