Science & Tech

Preprint suggests two supernova remnants may accelerate cosmic rays to PeV energies

A LHAASO preprint reports gamma rays up to hundreds of TeV from two supernova remnants, which authors interpret as evidence they accelerated hadronic cosmic rays to PeV energies.

#cosmicrays, #lhaaso, #supernova, #gammarays, #astrophysics

Preprint: CHIME Fast Radio Bursts Trace Diffuse Baryons Across the Cosmic Web

A new preprint uses dispersion from 3,455 CHIME fast radio bursts to statistically link FRB sightlines with maps of hot gas and galaxies, probing diffuse baryons.

#frb, #astrophysics, #cosmology, #chime, #baryons

Amazon Says Meta Will Deploy AWS Graviton CPUs at Scale for ‘Agentic AI’

Amazon says Meta has agreed to run tens of millions of AWS Graviton CPU cores for agentic AI tasks — expanding Meta’s mix of cloud and chip partners.

$META, $AMZN, #amazon, #meta, #graviton, #cloud, #ai

Cisco-backed team posts preprint and unveils prototype 'Universal Quantum Switch' for photonic entanglement routing

Cisco-backed researchers posted a preprint and announced a prototype 'Universal Quantum Switch' that routes entangled photonic qubits with low decoherence and MHz–GHz reconfiguration.

$CSCO, #quantum, #photonics, #cisco, #quantumnetworking

Chinese Universities Scramble After CAS Journal 'Partition Table' Is Discontinued

Chinese universities must find new benchmarks after the Chinese Academy of Sciences stops updating its influential journal partition table from 2026.

#china, #academia, #research, #journals

Aave Faces $123.7M–$230.1M Potential Loss After KelpDAO rsETH Bridge Exploit

Aave warns it may incur $123.7M–$230.1M in bad debt after a forged cross-chain packet exploited KelpDAO’s rsETH bridge and triggered major DeFi outflows.

#defi, #aave, #layerzero, #kelpdao, #crypto

FDA approves Otarmeni, first U.S.-cleared gene therapy for genetic hearing loss

FDA approves Otarmeni, the first U.S. gene therapy for OTOF-linked deafness; Regeneron's dual-AAV treatment wins accelerated approval, follow-up data required.

#fda, #regeneron, #genetherapy, #hearingloss, #otology

Pentagon Requests $2.3 Billion for Maven Smart System as AI Moves Into Core Warfighting Role

The Pentagon’s fiscal 2027 budget asks $2.3B for the Maven Smart System and Joint Fires Network, marking a shift to make AI central to CJADC2.

#defense, #ai, #pentagon, #maven, #cjadc2

NHS England sets national maternal safety standards requiring early clot checks and faster treatment by 2027

NHS England requires all maternity services to use early VTE assessments and faster treatment, plus standards for epilepsy, mental health and hemorrhage by March 2027.

#maternity, #nhs, #maternalhealth, #vte

Météo-France Files Criminal Complaint After Anomalous Paris Airport Readings Settled Polymarket Bets

Météo-France filed a criminal complaint after two isolated temperature spikes at Paris CDG were used to settle Polymarket weather bets.

#polymarket, #meteo, #paris, #predictionmarkets

Space Force Delivers Final GPS III Satellite, Completing Block III Production

The Space Force launched GPS III-8 (SV-10) on April 21, completing the Block III production run and advancing GPS modernization toward GPS IIIF.

#gps, #spaceforce, #spacex, #satellites, #launch

Google Splits TPU Line: New TPU 8t for Training, TPU 8i for Low-Latency Inference

Google unveils two eighth-generation TPUs — TPU 8t for training and TPU 8i for inference — at Google Cloud Next, available later this year.

$GOOGL, $GOOG, #google, #ai, #tpu, #cloud

Preprint Says Federated-Learning Clients Could Remotely Trigger Rowhammer Bit Flips on Servers

An arXiv preprint claims manipulated federated-learning clients can cause Rowhammer bit flips on a server. The work is under review and unverified.

#cybersecurity, #federatedlearning, #rowhammer, #aisecurity

Preprint: Kaonic-fluorine test finds QED holds in atomic fields above Schwinger limit

SIDDHARTA-2 preprint reports x-ray measurements from kaonic fluorine match Dirac-Fock QED predictions in atomic fields exceeding the Schwinger limit.

#physics, #qed, #kaons, #atomic-physics

Microsoft Cuts Xbox Game Pass Prices in U.S., But Call of Duty Won’t Launch on Service

Microsoft lowers U.S. Game Pass Ultimate and PC Game Pass monthly prices but says new Call of Duty games won’t hit Game Pass at launch.

$MSFT, #xbox, #gamepass, #microsoft, #gaming