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Researchers at Ramon Llull University have developed a 3D-printed, plug-in "sonic black hole" that can be inserted into existing ducts to sharply reduce echoes. We look at the physics of slowing sound to suppress reflections, and the challenges of using it in real piping.
A Science paper on Google DeepMind's AlphaProof Nexus reports proofs for 9 Erdős problems and 44 OEIS conjectures. We look at how problems were chosen, how Lean verified the proofs, what humans checked, and what it cost.
Fervo's Cape Station has entered commercial operation with 33 MW net. We look at how underground EGS and surface binary generation work together, what the 21-day drilling figure covers, capital cost versus power prices, and the open questions on seismic monitoring and long-term performance.
The Lancet Commission estimated avoidable health losses through 2100 and identified 17 catastrophic threats, from nuclear conflict and malicious AI to obesity. Here is how its best-case versus worst-case policy model works.
IBM, Rutgers University and collaborators used up to 100 qubits with repeated measurement and reset to observe a phase transition that tames quantum chaos. We explain what the roughly 5,000 operations mean and what it would take to reach quantum error correction.
arXiv now limits each submitter to two new papers per month across all categories. We look at how revisions are handled, how ICLR's co-author quota and reviewing rules compare, and what pre-submission AI checks can and cannot do.
CMB.TECH's 210,000-dwt Mineral Europa has begun its maiden voyage to Australia. We look at how Fortescue's contract for up to 12 vessels differs by ship specification, and what it takes to judge the real decarbonization impact, including pilot fuel and production emissions.
UC San Diego and Toyota Research Institute of North America, among others, have demonstrated PCC, a fluorine-free binder that lets electrode layers be separated with water. We read the paper's material design and cell performance, and explain the heat treatment still needed after separation and how modeled environmental estimates differ from measured results.
General Fusion's LM26 has passed 1 keV in electron temperature using slow metal compression. We compare the measurements in the published papers and look at ion heating, heat retention, and the challenges for a commercial reactor using liquid metal.
IonQ has demonstrated entanglement between a trapped ion and a diamond quantum memory at 1,032 pairs per second. We look at how single-photon reflection works, the 612-per-second rate that includes readout, the 87.9% fidelity, and the remaining hurdles for distributed quantum computing.
