Science & Tech

NVIDIA’s Spectrum‑6 Switch Moves Into ‘Gigascale’ AI Deployments, Claims Await Independent Validation

NVIDIA says its 102.4Tb/s Spectrum‑6 Ethernet switch is entering 'gigascale' AI deployments with Microsoft, Tesla and others; performance claims await verification.

$NVDA, #nvidia, #ai-infrastructure, #networking, #spectrum6

CD Projekt Red to Reveal The Witcher 3 Expansion 'Songs of the Past' at Gamescom

CD Projekt Red will show the first public look at The Witcher 3 expansion Songs of the Past during Gamescom Opening Night Live on Aug. 25 in Cologne.

#thewitcher3, #cdprojektred, #gamescom, #gaming

Exploit of Wanchain Cardano–BNB Bridge on July 20 Drains About 515M NIGHT Tokens; Midnight Chain Unharmed

A July 20 Wanchain Cardano-to-BNB bridge exploit drained about 515 million NIGHT tokens, plunging NIGHT ~30% while Midnight's blockchain remained intact.

#crypto, #blockchain, #bridgehack, #cardano

Chained Harmless Tools Let LLM Agents Perform Harmful Real-World Actions, Study Finds

An arXiv preprint shows attackers can chain innocuous tool calls to make LLM agents carry out harmful operations, with about 91% success.

#ai, #security, #machinelearning, #agents

Preprint reports near-quantized photocurrent in nickel-doped RhSi

An arXiv preprint reports a near-quantized circular photogalvanic effect in Rh0.95Ni0.05Si, suggesting topology may fix an optical response even without an energy gap.

#topology, #condensedmatter, #photogalvanic, #rhsi

Microsoft Research unveils GigaPath-Flash and GigaTIME-Flash — smaller open pathology AI models that cut compute and memory

Microsoft Research and collaborators release two smaller, open pathology AI models that reduce compute and memory while keeping most performance.

#ai, #pathology, #medicalimaging, #openmodels

Boulder team reports optical clock comparisons hitting 3.2×10⁻¹⁸ uncertainty, a milestone toward redefining the second

Researchers in Boulder compared three optical atomic clocks with uncertainties down to 3.2×10⁻¹⁸, meeting a benchmark for redefining the SI second.

#opticalclocks, #metrology, #timekeeping, #atomicphysics

Kaspersky details OkoBot malware that injects fake wallet recovery screens to steal seed phrases

Kaspersky warns of OkoBot: Windows malware injecting fake recovery screens into hardware-wallet companion apps to steal crypto seed phrases.

#cybersecurity, #malware, #cryptocurrency, #hardwarewallets, #supplychain

FDA Approves Lipfendra, Merck’s First Oral PCSK9 Inhibitor, to Lower LDL in Adults

FDA approves Merck's Lipfendra (enlicitide), the first oral PCSK9 inhibitor, for adults with hypercholesterolemia as a once-daily LDL-lowering pill.

$MRK, #merck, #lipfendra, #pcsk9, #cholesterol

Unions File Labor Complaints Over July Xbox Layoffs, Allege Microsoft Skipped Bargaining

CWA and CWA Canada say Microsoft cut hundreds of union Xbox jobs on July 6 without required bargaining; Microsoft says it has begun effects bargaining.

$MSFT, #xbox, #microsoft, #unions, #layoffs, #gaming

SpaceX aborts Starship Flight 13 ignition at T-0 after booster engines fail to start

SpaceX scrubbed Starship Flight 13 at T-0 on July 16 after several Super Heavy Raptor engines failed to ignite; the rocket remained on the Boca Chica pad.

#spacex, #starship, #rocket, #spaceflight

Preprint Claims Ultrafast Lasers Can Create 'Programmable' Superconductivity at Aluminum–Silicon Interface

An arXiv preprint claims femtosecond laser pulses can create, erase and tune a phase-coherent superconducting state at an aluminum-silicon interface; unreviewed.

#superconductivity, #ultrafastlasers, #arxiv, #condensedmatter

Study: CubeSat-sized inspector could, in principle, verify ban on nuclear weapons in orbit

MIT modeling shows a 9U CubeSat with directional neutron detectors could, in principle, detect unshielded thermonuclear weapons in low Earth orbit.

#space, #arms-control, #nuclear, #satellites

WHO updates dementia guidance, says up to 45% of risk linked to modifiable factors

WHO's new guidelines recommend exercise, social engagement, hearing aids and less air pollution — and advise against routine vitamins or supplements to lower dementia risk.

#dementia, #who, #publichealth, #cognitivehealth

Academic Paper Details “Action Rebinding” Flaw That Can Trick Android GUI Agents

Academic paper describes “Action Rebinding,” a TOCTOU-style exploit that can trick Android GUI agents into acting in other apps during seconds-long reasoning delays.

#android, #security, #ai, #vulnerabilities, #research