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Environmental $\gamma$-Ray Flux in Hall C at LNGS and Its Correlation with Radon Activity
arXiv:2605.09835v2 Announce Type: replace Abstract: We report a comprehensive measurement of the environmental $\gamma$-ray flux in Hall C of the Gran Sasso National Laboratory. A spatial mapping of the radiation was carried out using a high-purity germanium detector mounted on a movable cart and deployed at eight locations within the hall. The detector response function and full-energy-peak efficiencies were determined through Geant4 simulations validated with calibrated $\gamma$-ray...
EU wants households to cut electricity use as demand from industry and AI soars
BRUSSELS — The European Commission wants households to use less energy at peak times in preparation for an explosion of power demand from artificial intelligence data centers and electrification of the economy. The EU executive said Wednesday it will propose a new law later this year to accelerate the roll out of AI-powered smart meters, which give consumers “greater control over when they use electricity, allowing them to shift consumption to cheaper hours and lower their...
Energy companies working ‘around the clock’ to meet demand during England and Scotland World Cup games
Energy companies working ‘around the clock’ to meet demand during England and Scotland World Cup games Energy suppliers are preparing for peaks of electricity demand as swathes of people across the UK settle in at home or head to venues to watch the tournament - Bookmark - CommentsGo to comments England and Scotland’s group stage matches at the 2026 Fifa World Cup are projected to trigger a national electricity surge equivalent to the combined power consumption of Leeds and Glasgow,...
GM eyes new battery chemistry to grow AI data center, energy storage business
General Motors is expanding efforts to capitalize on the expected growth of energy storage and data centers by promoting different battery cell chemistries, while also offering more support for its electric vehicle owners to combat higher energy costs. The Detroit automaker detailed plans Tuesday to increase its vehicle-to-grid capabilities — in which a vehicle can provide energy to the electric grid — for its EV customers and develop next-generation sodium-ion batteries that GM's battery...
Policy-Guided ML for Energy Savings: Cell On/Off Switching under Operator QoS Constraints in Real 5G Networks
arXiv:2606.05755v1 Announce Type: new Abstract: Energy efficiency is a critical concern in the deployment and operation of 5G networks, particularly due to the low utilization of 4G and 5G carriers during off-peak hours. While considerable research has focused on designing energy-efficient cell on/off switching strategies that avoid disrupting user connectivity, the integration of operator-specific policies to guarantee particular Quality of Service (QoS) levels has received limited...
How the Strait of Hormuz standoff flipped the energy security debate
HELSINKI, Finland — Iran's influence over the strategically vital Strait of Hormuz has inadvertently transformed the energy security debate, effectively casting fossil fuels rather than renewables as the primary source of vulnerability. For decades, the conventional narrative has been one in which renewables were criticized for their intermittency issues and dependence on weather conditions, whereas technologies such as coal, oil, and gas were seen as providing security. The Middle East...
GM Energy introduces V2G support and new energy storage battery chemistry
Electric vehicle sales might be better now than the end of last year when demand fell off a cliff following the surge of purchases ahead of the end of the federal financial incentives, but it's clear they haven't panned out as well as many in the automotive industry had hoped. Still, at a GM event Ars attended in San Francisco this week, the company continues to stick to its guns with an EV lineup spanning its brands. The automaker shared that it has also been working toward the adoption of...
40% boost in extreme ultraviolet conversion efficiency via simultaneous dual-beam 2-{\mu}m laser irradiation
Announce Type: new Abstract: Scaling extreme ultraviolet (EUV) source power for next-generation lithography demands higher conversion efficiency (CE) at reduced per-pulse energies. We demonstrated a 40% CE enhancement by simultaneous dual-beam irradiation of a planar Sn target with a 2090-nm, 20-ns Ho:YAG laser. Single-beam irradiation at 40 mJ yielded an EUV CE of 2.6%; splitting the same total energy equally into two beams of 20 mJ each - at identical peak intensity - raised the EUV CE to...
CHIMERA: A Flexible and Scalable 3.1 TOPS/W AI-MCU with Transformer Accelerator and 563 Gb/s Shared-L2 Memory Subsystem with QoS Guarantees
arXiv:2606.02358v1 Announce Type: new Abstract: We present Chimera, a flexible and scalable Microcontroller Unit (MCU) designed to accelerate real-time inference of rapidly evolving transformer-based models at the ultra-low-power edge (hundred of mW). The chip, implemented in 22 nm FDX technology, integrates a transformer accelerator tightly coupled within a compute cluster featuring nine general-purpose RV32IMA cores. Scalability extends to the memory hierarchy through a novel L2 memory...
Electron injection and acceleration into laser-driven wakefield from a solid overdense plasma target
Announce Type: new Abstract: A laser-plasma acceleration scheme combining electron extraction from a solid overdense target with wakefield acceleration in an adjacent underdense plasma region is presented. A laser pulse excites a diffracted electromagnetic wave at the overdense plasma interface, extracting and pre-accelerating electrons, which are then injected into laser-driven wakefield cavities in the underdense plasma. A parametric study identifies key conditions enabling efficient...