Tag

Quantum Computing

All articles tagged with #quantum computing

investing3 hours ago•24 min saved

Quantum ETFs Target the Next AI Wave: QTUM, IGPT, and CHAT

Three ETFs offer different routes to the AI- and quantum-uptrend: QTUM bets on quantum hardware supply chains (semiconductors and defense-linked firms); IGPT targets AI monetization today through memory chips and enterprise software; CHAT pursues a broad generative AI mandate with heavy international semiconductor exposure and higher fees, delivering the strongest recent returns but with more risk. QTUM is an infrastructure play with defense exposure; IGPT centers on Micron-like chips; CHAT emphasizes international AI infrastructure, illustrating how investors can pursue quantum exposure, memory/AI software exposure, or a focused generative AI play.

via 24/7 Wall St.|

#ai-etfs #chat #igpt

security11 days ago•23 min saved

Google flags quantum threat to Bitcoin, eyes 2029 post-quantum shift

Google Research warns that the quantum resources needed to break ECDLP-256 have fallen roughly 20-fold, potentially enabling on-spend attacks against Bitcoin within its 10-minute block window and prompting a 2029 migration to post-quantum cryptography; the industry, including Coinbase and the Ethereum Foundation, is coordinating on the transition, though the risk remains years away.

via The Block|

#bitcoin #cryptography #on-spend-attacks

science12 days ago•6 min saved

Replication casts doubt on topological quantum breakthrough claims

Replication studies of nanoscale topological quantum devices found that dramatic signals previously claimed as breakthroughs could be explained by simpler effects, highlighting publication hurdles for replication work and urging more data sharing and open discussion of interpretations; the consolidated findings were published in Science after an unusually long two-year review.

via ScienceDaily|

#data-sharing #quantum-computing #replication-studies

technology12 days ago•3 min saved

Google Sets 2029 Q Day, Urging Quantum-Resistant Crypto Push

Google accelerated its so‑called Q Day to 2029, warning that quantum computers could break current encryption and calling for a broad move to post-quantum cryptography. The piece explains how qubits and quantum phenomena could outpace classical cryptography, notes noisy qubits as a current hurdle, and highlights Google’s leadership push while acknowledging industry questions about the timeline and motivation.

via Futurism|

#cryptography #google #post-quantum-cryptography

technology12 days ago•2 min saved

Quantum Computers Run Colder Than Space’s Coldest Nebula

Quantum computers must be kept at temperatures near absolute zero to protect qubits from heat; a Bluefors dilution refrigerator cools the hardware to below one kelvin—colder than the Boomerang Nebula—highlighting how cryogenic cooling is essential to unlocking quantum computing.

via CNET|

#boomerang-nebula #cryogenics #dilution-refrigerator

science13 days ago•9 min saved

Silicon quantum chip demonstrates full, error-detecting logical operations

Shenzhen researchers built a silicon-based quantum processor with four physical qubits encoding two logical qubits that can detect errors during computation, completing a full chain of operations and running a water-molecule ground-state algorithm via the Variational Quantum Eigensolver; this marks a milestone toward fault-tolerant, scalable silicon quantum computing, with next steps to increase qubits and reduce interference, as reported in Nature Nanotechnology.

via Interesting Engineering|

#error-detection #fault-tolerance #logical-qubits

technology15 days ago•8 min saved

Google warns quantum threat could force internet security upgrades by 2029

Google says rapid advances in quantum computing are shrinking the window to today’s encryption, setting a target of 2029 to migrate to post-quantum cryptography and urging the tech industry to accelerate secure upgrades amid fears of data being stored now and decrypted later.

via The Independent|

#cryptography #google #internet-security

technology16 days ago•2 min saved

Google nudges Q-Day to 2029, raising the urgency for post-quantum cryptography

Google moved the deadline for when quantum computers could break current cryptography to 2029, heightening the push toward post-quantum cryptography as researchers note a 2048-bit RSA key could be cracked with about one million noisy qubits—marking a potentially earlier shift in cybersecurity planning.

via Gizmodo|

#cryptography #google #post-quantum-cryptography

technology16 days ago•6 min saved

Google accelerates Q Day to 2029, urging a rapid shift to post-quantum crypto

Google slashes its Q Day readiness deadline to 2029 and urges the industry to adopt post-quantum cryptography to replace RSA and elliptic-curve schemes. The company also reveals Android 17 beta will add PQC support via ML-DSA in verified boot, the Keystore, and upcoming Play Store signing, signaling a broader PQC rollout across devices; experts view the timeline as a significant acceleration with ongoing questions about motivation.

via Ars Technica|

#android #cryptography #post-quantum-cryptography

technology16 days ago•7 min saved

Google's 2029 Quantum Upgrade Sparks Bitcoin Security Questions

Google has announced a 2029 deadline to migrate its systems to post-quantum cryptography, citing growing quantum hardware capabilities that could undermine current encryption and digital signatures. While Bitcoin faces long-term cryptographic risk from quantum attacks like Shor’s algorithm, upgrading Bitcoin is a decentralized, multi-stakeholder effort that won’t happen overnight. Initiatives such as BIP 360 introducing Pay-to-Merkle-Root are beginning to prepare for quantum-resistant signatures, and some estimates suggest a sizable portion of Bitcoin addresses could be vulnerable in a future quantum era—though exact timelines for practical quantum attacks remain uncertain.

via Decrypt|

#bip-360 #bitcoin #cryptography

science18 days ago•6 min saved

Sound-levitated time crystal ticks by breaking symmetry

NYU physicists levitated tiny beads with sound to create a visible, classical time crystal whose nonreciprocal, uneven interactions between particles break Newton’s third law and drive self-sustained oscillations in a compact device; the simple setup could inform future quantum technologies and offer insights into biological timing systems, with the work published in Physical Review Letters.

via ScienceDaily|

#acoustic-levitation #newtons-third-law #nonreciprocal-interactions

science1 month ago•6 min saved

Researchers forge the first half-Möbius molecule and decode its quantum topology with a quantum computer

A team led by IBM researchers reports the creation of the first molecule with half-Möbius electronic topology (C13Cl2), built atom-by-atom and analyzed with a quantum-centred computer using the SqDRIFT algorithm. The work, aided by STM/AFM imaging, reveals a twisty electronic structure with a reversibly switchable topology (right/left half-Möbius and trivial) and demonstrates how quantum computing can interpret real quantum materials, signaling progress toward quantum advantage in chemistry.

via IBM Research|

#atom-manipulation #half-moebius-topology #quantum-chemistry

technology1 month ago•4 min saved

Triplet Superconductors Promise Ultra-Efficient Spin-Based Quantum Computing

NTNU researchers and collaborators report that NbRe may exhibit triplet superconductivity, enabling zero-resistance transport of both charge and spin and offering a potential breakthrough for energy-efficient, high-speed quantum computing, though further independent verification and tests are needed.

via SciTechDaily|

#nbre #quantum-computing #spintronics

business1 month ago•9 min saved

Big Funds Pull Back on Quantum-Computing Pure-Play Stocks

New Form 13F data show institutional investors trimmed stakes in IonQ, Rigetti Computing, and D-Wave Quantum in Q4, with IonQ’s share count rising due to a $2 billion equity offering that diluted existing holders; overall ownership fell for all three, signaling caution despite hype and big growth projections for the quantum-computing sector.

via The Motley Fool|

#13f-filings #business #d-wave-quantum

technology1 month ago•18 min saved

IonQ Lifts Q4 Beat, Sends Upbeat Revenue Guidance Pushing Quantum Stocks Higher

IonQ topped Q4 expectations with $61.9 million in revenue (vs. $40.38 million est) and an adjusted loss of $0.20 per share (vs. $0.23 loss). It issued stronger-than-expected sales guidance for Q1 ($48–$51 million) and the full year ($225–$245 million). The company also pegged a midpoint EBITDA range around -$320 million, modestly better than the consensus of about -$326 million. IonQ rose after hours, and investors noted its recent missile-defense contract as a potential positive development.

via Sherwood News|

#earnings #guidance #ionq