Physics World
@physicsworld.bsky.social
News, views and information for the global physics community. physicsworld.com
Reposted by Physics World
Here's my geeky deep-dive into cosmic dawn experiments in @physicsworld.bsky.social . I loved every moment of it.
physicsworld.com/a/cosmic-daw...
physicsworld.com/a/cosmic-daw...
Cosmic dawn: the search for the primordial hydrogen signal – Physics World
Sarah Wild talks to astronomers across the world who are on a hunt for a subtle hydrogen signal that could confirm or disprove our ideas on the universe’s evolution
physicsworld.com
November 19, 2025 at 4:04 PM
Here's my geeky deep-dive into cosmic dawn experiments in @physicsworld.bsky.social . I loved every moment of it.
physicsworld.com/a/cosmic-daw...
physicsworld.com/a/cosmic-daw...
Reposted by Physics World
En produisant 15 000 atomes d'antihydrogène toutes les 7 heures, en continu, il faudrait 80 MILLIONS D'ANNÉES pour en produire une quantité suffisante pour dégager autant d'énergie qu'une grenade (en imaginant qu'on puisse les stocker tout ce temps).
La bombe à antimatière, c'est pas pour demain.
La bombe à antimatière, c'est pas pour demain.
Physicists working on the ALPHA experiment at CERN have trapped and accumulated 15,000 antihydrogen atoms in less than 7 h. This accumulation rate is more than 20 times the previous record. 🧪⚛️ ow.ly/iKgP50XvMEC
Sympathetic cooling gives antihydrogen experiment a boost – Physics World
Having more antimatter could help solve profound mysteries of physics
ow.ly
November 24, 2025 at 11:08 AM
En produisant 15 000 atomes d'antihydrogène toutes les 7 heures, en continu, il faudrait 80 MILLIONS D'ANNÉES pour en produire une quantité suffisante pour dégager autant d'énergie qu'une grenade (en imaginant qu'on puisse les stocker tout ce temps).
La bombe à antimatière, c'est pas pour demain.
La bombe à antimatière, c'est pas pour demain.
A new atomic stencilling technique can create nanoparticles with carefully designed “patches” on their surfaces. These patches can be controlled with high precision, and could find use in targeted drug delivery, catalysis, microelectronics and tissue engineering. 🧪⚛️ physicsworld.com/a/patchy-nan...
'Patchy' nanoparticles emerge from new atomic stencilling technique – Physics World
Multipurpose structures could find use in targeted drug delivery, catalysis, microelectronics and tissue engineering
physicsworld.com
November 25, 2025 at 9:11 AM
A new atomic stencilling technique can create nanoparticles with carefully designed “patches” on their surfaces. These patches can be controlled with high precision, and could find use in targeted drug delivery, catalysis, microelectronics and tissue engineering. 🧪⚛️ physicsworld.com/a/patchy-nan...
New experiments at CERN by an international team have ruled out a potential source of intergalactic magnetic fields. The existence of such fields is invoked to explain why we do not observe secondary gamma rays originating from blazars. 🧪⚛️ ow.ly/kjjn50XwTXK
Accelerator experiment sheds light on missing blazar radiation – Physics World
Measurement discounts loss from plasma instabilities
ow.ly
November 24, 2025 at 3:12 PM
New experiments at CERN by an international team have ruled out a potential source of intergalactic magnetic fields. The existence of such fields is invoked to explain why we do not observe secondary gamma rays originating from blazars. 🧪⚛️ ow.ly/kjjn50XwTXK
Physicists working on the ALPHA experiment at CERN have trapped and accumulated 15,000 antihydrogen atoms in less than 7 h. This accumulation rate is more than 20 times the previous record. 🧪⚛️ ow.ly/iKgP50XvMEC
Sympathetic cooling gives antihydrogen experiment a boost – Physics World
Having more antimatter could help solve profound mysteries of physics
ow.ly
November 21, 2025 at 2:42 PM
Physicists working on the ALPHA experiment at CERN have trapped and accumulated 15,000 antihydrogen atoms in less than 7 h. This accumulation rate is more than 20 times the previous record. 🧪⚛️ ow.ly/iKgP50XvMEC
Multi-temperature observations of plasma bursts from the young star EK Draconis could shed light on how life emerged and evolved on Earth. 🧪⚛️ physicsworld.com/a/plasma-bur...
Plasma bursts from young stars could shed light on the early life of the Sun – Physics World
New multi-temperature coronal mass ejection observations might help us better understand how life emerged and evolved on Earth
physicsworld.com
November 21, 2025 at 9:47 AM
Multi-temperature observations of plasma bursts from the young star EK Draconis could shed light on how life emerged and evolved on Earth. 🧪⚛️ physicsworld.com/a/plasma-bur...
The physicist Daniel Whiteson would like to have a long conversation about physics an alien scientists. He explains why in this podcast. 🧪⚛️ ow.ly/XPTh50XuINN
Talking physics with an alien civilization: what could we learn? – Physics World
Do Aliens Speak Physics? author Daniel Whiteson is our podcast guest
ow.ly
November 20, 2025 at 2:50 PM
The physicist Daniel Whiteson would like to have a long conversation about physics an alien scientists. He explains why in this podcast. 🧪⚛️ ow.ly/XPTh50XuINN
A 3D-printed structure called a kagome tube could form the backbone of a new system for muffling damaging vibrations, providing better shock protection for sensitive systems in civil and aerospace engineering applications. 🧪⚛️ physicsworld.com/a/new-cylind...
New cylindrical metamaterials could act as shock absorbers for sensitive equipment – Physics World
Topological kagome tubes isolate vibrations to one end, keeping the other end safe
physicsworld.com
November 20, 2025 at 12:05 PM
A 3D-printed structure called a kagome tube could form the backbone of a new system for muffling damaging vibrations, providing better shock protection for sensitive systems in civil and aerospace engineering applications. 🧪⚛️ physicsworld.com/a/new-cylind...
Reposted by Physics World
Want to work at the IOP? We're recruiting for three roles!
Communications Officer
🗓️ 1 December
🔗 https://bit.ly/4nYGDoQ
Accreditation Coordinator
🗓️ 24 November
🔗 https://bit.ly/4oA39G3
Scholarships Project Officer
🗓️ 19 November
🔗 https://bit.ly/43KAp55
Communications Officer
🗓️ 1 December
🔗 https://bit.ly/4nYGDoQ
Accreditation Coordinator
🗓️ 24 November
🔗 https://bit.ly/4oA39G3
Scholarships Project Officer
🗓️ 19 November
🔗 https://bit.ly/43KAp55
November 19, 2025 at 11:16 AM
Want to work at the IOP? We're recruiting for three roles!
Communications Officer
🗓️ 1 December
🔗 https://bit.ly/4nYGDoQ
Accreditation Coordinator
🗓️ 24 November
🔗 https://bit.ly/4oA39G3
Scholarships Project Officer
🗓️ 19 November
🔗 https://bit.ly/43KAp55
Communications Officer
🗓️ 1 December
🔗 https://bit.ly/4nYGDoQ
Accreditation Coordinator
🗓️ 24 November
🔗 https://bit.ly/4oA39G3
Scholarships Project Officer
🗓️ 19 November
🔗 https://bit.ly/43KAp55
Reposted by Physics World
Very happy to see our latest work out in PRL doi.org/10.1103/5rtj... and highlighted by both @apsphysics.bsky.social Physics and @physicsworld.bsky.social
Small thread below 🧵⬇️
Small thread below 🧵⬇️
Quantum fluctuations produce no entropy, so if you can count those fluctuations as clock “ticks”, you can make a clock with no entropy and nonzero precision. Or can you? New research hints at why there is (still) no free lunch, even in the #quantum world. ⚛️🧪 physicsworld.com/a/researcher...
Researchers pin down the true cost of precision in quantum clocks – Physics World
Trade-off between precision and entropy production lies in measurement process
physicsworld.com
November 16, 2025 at 5:06 PM
Very happy to see our latest work out in PRL doi.org/10.1103/5rtj... and highlighted by both @apsphysics.bsky.social Physics and @physicsworld.bsky.social
Small thread below 🧵⬇️
Small thread below 🧵⬇️
Reposted by Physics World
Check out the new @physicsworld.bsky.social article on Haystack's trail-blazing EDGES experiment and astronomers' quest to detect primordial hydrogen:
physicsworld.com/a/cosmic-daw...
In it, Sarah Wild interviews Rigel Cappallo, one of the scientists on Haystack's inventive EDGES team!
physicsworld.com/a/cosmic-daw...
In it, Sarah Wild interviews Rigel Cappallo, one of the scientists on Haystack's inventive EDGES team!
Cosmic dawn: the search for the primordial hydrogen signal – Physics World
Sarah Wild talks to astronomers across the world who are on a hunt for a subtle hydrogen signal that could confirm or disprove our ideas on the universe’s evolution
physicsworld.com
November 18, 2025 at 5:22 PM
Check out the new @physicsworld.bsky.social article on Haystack's trail-blazing EDGES experiment and astronomers' quest to detect primordial hydrogen:
physicsworld.com/a/cosmic-daw...
In it, Sarah Wild interviews Rigel Cappallo, one of the scientists on Haystack's inventive EDGES team!
physicsworld.com/a/cosmic-daw...
In it, Sarah Wild interviews Rigel Cappallo, one of the scientists on Haystack's inventive EDGES team!
Scientists demonstrate that germanium, a semiconductor used extensively in electrical devices, can become superconducting under controlled growth conditions - with potential for application in a new generation of quantum devices.⚛️🧪 physicsworld.com/a/scientists...
Scientists realize superconductivity in traditional semiconducting material – Physics World
Superconducting germanium could find application in a new generation of quantum devices
physicsworld.com
November 18, 2025 at 4:16 PM
Scientists demonstrate that germanium, a semiconductor used extensively in electrical devices, can become superconducting under controlled growth conditions - with potential for application in a new generation of quantum devices.⚛️🧪 physicsworld.com/a/scientists...
In this podcast we chat about the physics of coffee making, ponytails, toilet flushes and much more from the book Physics Around the Clock 🧪⚛️. ow.ly/5STm50Xtv0y
Better coffee, easier parking and more: the fascinating physics of daily life – Physics World
The author of Physics Around the Clock is our podcast guest
ow.ly
November 18, 2025 at 2:47 PM
In this podcast we chat about the physics of coffee making, ponytails, toilet flushes and much more from the book Physics Around the Clock 🧪⚛️. ow.ly/5STm50Xtv0y
Researchers have entangled matter-based qubits with photonic qubits in a ten-ion system. The technique is scalable to larger ion-qubit registers, paving the way for the creation of more complex quantum networks. 🧪⚛️ ow.ly/HNlO50XsXOq
Ten-ion system brings us a step closer to large-scale qubit registers – Physics World
Each ion is uniquely entangled with a photon
ow.ly
November 17, 2025 at 4:26 PM
Researchers have entangled matter-based qubits with photonic qubits in a ten-ion system. The technique is scalable to larger ion-qubit registers, paving the way for the creation of more complex quantum networks. 🧪⚛️ ow.ly/HNlO50XsXOq
Lightweight wearable device uses speckle contrast optical spectroscopy to accurately measure blood flow to the brain, distinguishing it from blood flow to the scalp. 🧪⚛️ physicsworld.com/a/non-invasi...
Non-invasive wearable device measures blood flow to the brain – Physics World
Speckle contrast optical spectroscopy provides a cost-effective way to assess cerebral blood flow for diagnosis of neurological disorders
physicsworld.com
November 17, 2025 at 11:39 AM
Lightweight wearable device uses speckle contrast optical spectroscopy to accurately measure blood flow to the brain, distinguishing it from blood flow to the scalp. 🧪⚛️ physicsworld.com/a/non-invasi...
Matin Durrani looks back at a full week of quantum-themed events organised last week by Physics World and the Institute of Physics, including a panel debate with four future leaders of quantum science and technology at the Royal Institution in central London. ⚛️🧪
physicsworld.com/a/the-future...
physicsworld.com/a/the-future...
The future of quantum physics and technology debated at the Royal Institution – Physics World
Matin Durrani looks back at a week-long series of events in the UK to mark Quantum Year
physicsworld.com
November 14, 2025 at 4:45 PM
Matin Durrani looks back at a full week of quantum-themed events organised last week by Physics World and the Institute of Physics, including a panel debate with four future leaders of quantum science and technology at the Royal Institution in central London. ⚛️🧪
physicsworld.com/a/the-future...
physicsworld.com/a/the-future...
Significant progress towards answering one of the Clay Mathematics Institute’s seven Millennium Prize Problems has been achieved using deep learning. 🧪⚛️ ow.ly/AEIP50XqYf6
Neural networks discover unstable singularities in fluid systems – Physics World
Result boosts our understanding of the Navier-Stokes equation
ow.ly
November 14, 2025 at 9:57 AM
Significant progress towards answering one of the Clay Mathematics Institute’s seven Millennium Prize Problems has been achieved using deep learning. 🧪⚛️ ow.ly/AEIP50XqYf6
In this podcast we talk about how to make better semiconductor chips: in terms of sustainability, cost, and performance. 🧪⚛️ ow.ly/4VLt50Xr7Vy
Designing better semiconductor chips: NP hard problems and forever chemicals – Physics World
We report from the Heidelberg Laureate Forum
ow.ly
November 13, 2025 at 3:04 PM
In this podcast we talk about how to make better semiconductor chips: in terms of sustainability, cost, and performance. 🧪⚛️ ow.ly/4VLt50Xr7Vy
A research team at the National Institutes for Quantum Science and Technology in Japan has developed the first PET scanner to achieve sub-0.5 mm spatial resolution. 🧪⚛️ physicsworld.com/a/high-resol...
High-resolution PET scanner visualizes mouse brain structures with unprecedented detail – Physics World
A PET scanner with optimized depth-of-interaction detectors achieves a record sub-0.5 mm spatial resolution
physicsworld.com
November 13, 2025 at 1:09 PM
A research team at the National Institutes for Quantum Science and Technology in Japan has developed the first PET scanner to achieve sub-0.5 mm spatial resolution. 🧪⚛️ physicsworld.com/a/high-resol...
Researchers shed new light on static electricity by capturing an “image” of charge distributions as charge transfers from one surface to another. Their conclusions cast doubt on previous studies in the field. 🧪⚛️ physicsworld.com/a/new-experi...
New experiments on static electricity cast doubt on previous studies in the field – Physics World
Bulk conductivity may have been hiding the dynamics of surface charge transfer, say researchers
physicsworld.com
November 13, 2025 at 9:42 AM
Researchers shed new light on static electricity by capturing an “image” of charge distributions as charge transfers from one surface to another. Their conclusions cast doubt on previous studies in the field. 🧪⚛️ physicsworld.com/a/new-experi...
Games played under the laws of #quantum mechanics dissipate less energy than their classical equivalents, raising the possibility of a quantum advantage in energy dissipation. 🧪⚛️ physicsworld.com/a/playing-ga...
Playing games by the quantum rulebook expends less energy – Physics World
New form of quantum advantage emerges from study of game theory and quantum information
physicsworld.com
November 12, 2025 at 10:34 AM
Games played under the laws of #quantum mechanics dissipate less energy than their classical equivalents, raising the possibility of a quantum advantage in energy dissipation. 🧪⚛️ physicsworld.com/a/playing-ga...
Quantum fluctuations produce no entropy, so if you can count those fluctuations as clock “ticks”, you can make a clock with no entropy and nonzero precision. Or can you? New research hints at why there is (still) no free lunch, even in the #quantum world. ⚛️🧪 physicsworld.com/a/researcher...
Researchers pin down the true cost of precision in quantum clocks – Physics World
Trade-off between precision and entropy production lies in measurement process
physicsworld.com
November 11, 2025 at 1:35 PM
Quantum fluctuations produce no entropy, so if you can count those fluctuations as clock “ticks”, you can make a clock with no entropy and nonzero precision. Or can you? New research hints at why there is (still) no free lunch, even in the #quantum world. ⚛️🧪 physicsworld.com/a/researcher...
Gravity might be able to quantum-entangle particles even if the gravitational field itself is classical. That is the conclusion of a new study by Joseph Aziz and Richard Howl. 🧪⚛️ ow.ly/809x50XprF7
Classical gravity may entangle matter, new study claims – Physics World
Surprising result could guide searches for quantum gravity
ow.ly
November 11, 2025 at 9:11 AM
Gravity might be able to quantum-entangle particles even if the gravitational field itself is classical. That is the conclusion of a new study by Joseph Aziz and Richard Howl. 🧪⚛️ ow.ly/809x50XprF7
Artificial muscles made from microbubble arrays and activated via ultrasound can be used as mobile conformable drug-delivery patches, among many other potential applications. 🧪⚛️ physicsworld.com/a/microbubbl...
Microbubbles power soft, programmable artificial muscles – Physics World
Ultrasound-activated microbubble arrays create flexible actuators for applications ranging from soft robotics to minimally invasive surgery
physicsworld.com
November 10, 2025 at 11:07 AM
Artificial muscles made from microbubble arrays and activated via ultrasound can be used as mobile conformable drug-delivery patches, among many other potential applications. 🧪⚛️ physicsworld.com/a/microbubbl...
By simply placing two identical elastic metasurfaces atop each other and then rotating them relative to each other, the topology of the elastic waves dispersing through the resulting stacked structure can be changed. 🧪⚛️ ow.ly/KJ1B50XomnR
Twistelastics controls how mechanical waves move in metamaterials – Physics World
New technique could deliver reconfigurable phononic devices with myriad applications
ow.ly
November 7, 2025 at 2:02 PM
By simply placing two identical elastic metasurfaces atop each other and then rotating them relative to each other, the topology of the elastic waves dispersing through the resulting stacked structure can be changed. 🧪⚛️ ow.ly/KJ1B50XomnR