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Physicsworld

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Tennis-ball towers reach record-breaking heights with 12-storey, 34-ball structure

A record-breaking 34-ball, 12-storey tower has been built, consisting of three balls per layer.
The tower is part of a series of tennis-ball structures, with previous towers having 19 and 25 balls.
Attempts to build a structure with more than 34 balls have failed without additional support.
Tower structures with four balls per layer and five balls per layer have also been built, but six balls per layer are physically impossible.

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Hobbieroth

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Image Credit: Hobbieroth

Asimov’s Corollary

Isaac Asimov's essay 'Asimov's Corollary' remains relevant even after fifty years
Asimov's Corollary states that when the lay public supports an idea opposed by distinguished but elderly scientists, the scientists are usually right
People's desire to believe often overrides the need for evidence and rational arguments
The presence of a 'cult of ignorance' emphasizes the need for critical thinking and scientific consensus

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Knowridge

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Image Credit: Knowridge

Scientists find new way to speed up quantum measurements without losing accuracy

Scientists have found a way to make quantum measurements faster without losing accuracy.
The new method involves adding more qubits to the process, allowing for quicker and reliable measurements.
By increasing the 'volume' of information in each measurement, accuracy can be achieved more quickly.
This breakthrough could have significant implications for the development of powerful and reliable quantum devices.

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Popsci

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Image Credit: Popsci

The universe isn’t just expanding—it may be spinning

The prevailing consensus in astrophysics is that the universe has been expanding outward since the Big Bang.
The rate at which the universe expands, known as the Hubble Constant, is a point of contention.
Researchers suggest that introducing a slight amount of rotation to the universe model may resolve the Hubble tension.
Astronomers are working to construct a computer model to search for signs of cosmic spinning.

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Knowridge

108

Image Credit: Knowridge

Scientists find half the universe’s missing hydrogen hiding in giant gas halos

Scientists have found that half of the missing normal matter in the universe is in the form of invisible hydrogen gas floating around galaxies in halos.
The research suggests that the hidden matter is in the form of ionized hydrogen gas that is more spread out around galaxies than previously thought.
The team used a technique to detect the presence of this gas by measuring how it scattered light from the cosmic microwave background.
The discovery of the hidden hydrogen gas provides insights into how galaxies evolve and may lead to updates in our understanding of the early universe.

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Medium

Image Credit: Medium

Survo Challenge: I Found a New Favorite Logic Puzzle

Survo is an intriguing logic puzzle that combines math and algorithmic thinking.
Introduced by Finnish professor Seppo Mustonen, Survo has a dedicated fanbase.
Similar to Sudoku and Kakuro, Survo requires filling in numbers to meet specific conditions.
It's a great daily exercise for those interested in math and logic puzzles.

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Physicsfromtheedge

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The End of the Dark Age of Physics?

Physics has been in a 'Dark Age' since the 1960s, as many concepts cannot be directly tested.
Quantized inertia (QI) re-grounds physics on testable principles and provides a new approach.
QI proposes that inertia and gravity are due to the push from gradients in Unruh radiation.
QI's grounding makes the theory directly testable and predicts specific phenomena, such as the galaxy rotation cut-off.

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Medium

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The MESSr0013 Summary Archive Standard: Future-Proofing Scientific Knowledge

The MESSr0013 Summary Archive Standard was developed to future-proof scientific knowledge in the field of Extended Plasma-Electromagnetic Cosmology (EPEMC).
It provides a storage method that aligns to empirical rigor, AI integration, and human clarity.
The focus is on making documents searchable, referenceable, and certifiable for decades to come.
By using the Summary Archive Standard, scientific knowledge can be preserved and accessible in a structured manner, avoiding unstructured sprawl.

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Unite

Image Credit: Unite

NTT Research Launches New Physics of Artificial Intelligence Group at Harvard

NTT Research has established a new Physics of Artificial Intelligence Group at Harvard, focusing on the complexities of AI and its decision-making processes.
The group aims to address the 'black box problem' in AI, which relates to the lack of understanding of how AI systems make connections and decisions.
Led by Dr. Hidenori Tanaka, the group merges physics, psychology, philosophy, and neuroscience to explore AI's mysteries and improve trustworthiness and safety in AI systems.
The Physics of Artificial Intelligence Group is a spin-off of NTT Research's PHI Lab, with a focus on understanding the neural network-like structures of AI.
Dr. Tanaka emphasizes the importance of defining concepts like creativity and kindness in mathematical terms for AI systems to comprehend.
The group will collaborate with Harvard University Center for Brain Science and Stanford University to advance research in AI mechanisms and human-AI fusion.
By adopting a cross-industry approach and integrating physics into AI research, NTT aims to design more cohesive and trustworthy AI technologies.
The group's interdisciplinary exploration of AI reflects a historical tradition of understanding technology and human relationships in physics.
Dr. Tanaka sees AI as a neural network akin to the human brain, highlighting the need to apply physics principles to study AI's inner workings.
The group's mission is to spark conversations and learning about AI across various backgrounds, contributing to the advancement of AI research and development.

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Interactions

248

European Strategy for Particle Physics: community input received

The community input for the 2026 update of the European Strategy for Particle Physics has been submitted, with 263 contributions received covering various aspects of high-energy physics.
Expert panels will review the submissions in preparation for an Open Symposium in Venice from 23 to 27 June.
The update aims to advance human knowledge in physics, particularly through the realization of the next flagship project at CERN.
Key topics include the study of the Higgs boson, dark matter, and neutrinos, alongside accelerator science and technology.
Sustainability and environmental protection are prominent themes in the submissions, aligning with CERN's commitment.
Proposals for future colliders at CERN include the Future Circular Collider (FCC) and a Linear Collider Facility, among others.
More than 50 national and national-laboratory submissions have been received, with a focus on identifying a successor to the LHC.
The recommendations from the ESPP process are crucial for maintaining CERN's leading role in particle physics.
The next steps include further evaluations, discussions at the Open Symposium, and final deliberations scheduled for December.
The European Strategy Group is expected to submit the proposed update to the CERN Council by the end of January 2026.

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Fyfluiddynamics

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Image Credit: Fyfluiddynamics

Inside an Alien Atmosphere

Researchers have unveiled the first 3D structure of an exoplanet's atmosphere.
Ground-based observations of WASP-121b revealed a flow deep in the atmosphere carrying iron from the hot daytime side to the colder night side.
WASP-121b, an ultra-hot Jupiter, has a super-fast jet-stream in its atmosphere that doubles in speed across the morning terminator to the evening.
The winds on WASP-121b make Earth's worst hurricanes seem tame.

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Medium

Image Credit: Medium

How to pick a 3D object using raycasting in C++

In the journey of developing a 3D viewer in C++, the focus shifted to making object selection user-friendly by implementing raycasting for picking objects.
The process involves detecting mouse click input, converting 2D mouse position to the 3D world, and determining the ray direction based on camera position.
Intersecting the ray with bounding boxes of entities involves utilizing a struct to encapsulate intersection logic and performing intersection tests.
The work involves methods like EditorRaycast for intersection tests and transforming the ray from world space to local space of entities for accurate collision detection.
The bounding box of entities is described with two 3D vectors and models initialize their bounding box during the initialization phase.
RayAABoxIntersection method effectively checks for intersections between the ray and bounding box, providing data in the HitInfo struct.
The process overview involves looping through entities, projecting rays, checking intersections, and outlining the steps to achieve object selection using ray/bounding box intersection.
The article concludes by discussing the pros and cons of using bounding boxes for object picking, highlighting solutions and offering assistance in game/3D development.
This article aims to aid in understanding the process of raycasting for object selection and encourages engagement through comments and GitHub project exploration.
For further clarification or inquiries, the author welcomes contact and wishes the readers a productive day.

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Medium

Image Credit: Medium

How Close is that Lightning Storm?

A typical bolt of lightning can pack 90 million joules of energy and reach a temperature of 30,000°C.
There are approximately 1800 thunderstorms happening globally at any given time, producing around 100 lightning bolts per second.
Lightning strikes cause about 2,000 deaths each year.
Light travels at a speed of 299,792,458 meters per second, while sound travels at 343 meters per second.

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Physicsworld

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Image Credit: Physicsworld

KATRIN sets tighter limit on neutrino mass

The Karlsruhe Tritium Neutrino experiment (KATRIN) has set the tightest upper limit on the mass of neutrinos at 0.45 electron volts (eV) at 90% confidence.
Neutrinos are particles that have extremely weak interactions with matter and come in three flavors: electron, muon, and tau.
By studying tritium beta decay, KATRIN researchers can indirectly measure the neutrino's mass.
The new limit is a significant improvement over previous results and provides insights into the nature of neutrinos beyond the Standard Model of particle physics.

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Physicsworld

Image Credit: Physicsworld

On the path towards a quantum economy

HSBC, NQCC, Rigetti, and the Quantum Software Lab collaborated on investigating quantum computing for fraud detection in financial transactions.
NQCC's priority is to help organizations understand the value of quantum computing for performance improvement.
Feasibility studies supported by NQCC allow companies to explore quantum computing's impact in specific use cases.
HSBC explored quantum technologies for detecting fraud as it affects a significant percentage of criminal offenses in the UK.
The aviation industry project focused on optimizing cargo loading for fuel efficiency and emission reduction.
Hybrid quantum-classical solutions were used to enhance optimization in loading cargo containers and fraud detection.
Quantum simulators running on classical computers showed potential for fraud detection despite limitations.
Results led to the development of roadmap for ongoing quantum computing work with a focus on data security protocols.
NQCC supported collaborations and networking opportunities for stakeholders to explore quantum computing applications.
The project outcomes emphasized the importance of forming constraints for quantum algorithms and understanding real-world requirements.

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