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Quantum Computing

All articles tagged with #quantum computing

science5 days ago•4 min saved

Quantum Mechanics: From Paradox to Everyday Technology

A Science perspective shows how quantum mechanics evolved from a puzzling 20th‑century idea to the foundation of lasers, microchips, secure communications, and emerging quantum computers, driven by coherence and entanglement; the piece highlights quantum heat engines that may exceed classical limits and notes expanding applications in biology, gravity, and turbulence, with open questions about quantizing gravity and the future impact of quantum technologies.

via ScienceDaily|

#entanglement #quantum-coherence #quantum-computing

science8 days ago•5 min saved

Graphene's layered superconductivity defies field norms, strengthens when pushed

MIT researchers report multiple superconducting states in rhombohedral graphene layers (4- and 5-layer stacks); notably, some states are enhanced by magnetic fields, raising the transition temperature from about 55 millikelvin to ~90 millikelvin and increasing the sustainable current by 50–60%, with the outcome depending on electron density and field orientation. This challenges the usual view that magnetic fields destroy superconductivity and may have implications for quantum computing, though experiments still require ultra-cold conditions and specialized setups.

via ScienceAlert|

#graphene #magnetic-field #quantum-computing

science-policy10 days ago•7 min saved

Genesis Mission Takes Center Stage in US AI and Quantum Push

Darío Gil, the DoE’s science under-secretary, is leading a high-profile push into AI and quantum science through the Genesis initiative, which aims to create an overarching AI platform that connects scientific instruments, supercomputers, and data across 17 national labs. The first Genesis funding round drew about 5,000 proposals and $293 million in awards, with the program totaling roughly $520 million so far. The effort coincides with a 2028 target to build a fault-tolerant quantum computer, even as researchers worry that basic-science funding could be squeezed by AI investments. Gil argues the funds will remain spread across disciplines and emphasizes collaboration with industry and academia to harness, safeguard, and guide AI’s future.

via Nature|

#artificial-intelligence #department-of-energy #genesis-mission

technology11 days ago•4 min saved

Trump's Quantum Push: A Government Bet on a Decades-Long Tech Wave

President Trump signed an executive order directing a broad, government-wide push to accelerate quantum computing—funding, secure supply chains, grow the workforce, and curb rivals’ advances—reflecting national-security stakes and the field’s hype. Quantum tech leverages qubits in superposition and entanglement to solve certain problems more efficiently than classical computers, with near-term promise in drug discovery, materials science, and optimization, but current hardware is fragile and far from routine use. Industry growth is projected to be massive, driven by patents and investments, yet experts warn the gap between theory and practice is wide and timelines are measured, making this a long-term bet that could also spur a new wave of quantum startups.

via Mashable|

#executive-order #hype-cycle #national-security

technology16 days ago•29 min saved

Quantum computing: a breakthrough with a looming security crisis

Quantum computing is racing forward, with tech giants pursuing machines that could surpass today’s supercomputers and transform fields like materials science and drug design. But the same power could break current encryption, threatening global security; the US has fast-tracked quantum development via executive orders and is pushing quantum-safe security updates, while standards for quantum-resistant encryption have already been published. With heavy investment from rivals like China and Russia and timelines that remain uncertain (potential breakthroughs by 2029), the article frames quantum tech as a sea change with significant national-security implications.

via New York Post|

#cybersecurity #encryption #national-security

technology16 days ago•7 min saved

Nature’s critique casts doubt on Microsoft’s Majorana quantum claims

Nature published a peer-reviewed critique by Henry Legg alleging Microsoft’s Majorana quantum claims are flawed, pointing to basic Python errors and omitted data that allegedly bias the results; Microsoft disputes the critique and continues to push Majorana 2 as a next-step toward a quantum computer.

via The Register|

#majorana #microsoft #nature

technology16 days ago•4 min saved

Nature scrutiny tempers Microsoft's Majorana quantum claims

A Nature-published critique by Dr. Henry Legg questions Microsoft's Majorana-based quantum claims, citing potential errors in a software tool used to interpret measurements and a lack of conclusive proof for Majorana; Microsoft defends its results and says data are shared with Darpa for independent review, reflecting ongoing challenges in validating quantum hardware.

via BBC|

#majorana #microsoft #nature

technology17 days ago•14 min saved

IonQ Poised for Federal Quantum Push Under 2028 Security Deadline

Trump signs two executive orders to accelerate quantum computing and migrate to post-quantum cryptography by 2028, setting federal deadlines for a functional quantum computer and encryption upgrades. IonQ is named as a key technology partner, signaling potential federal funding, partnerships, and workforce programs as quantum-as-a-service and quantum-security offerings align with the policy shift. Investors should watch for government contracts and pilots, but face risks from funding delays and potential dilution as these initiatives play out.

via Yahoo Finance|

#federal-policy #government-contracts #ionq

business18 days ago•21 min saved

Quantum Stocks Rally as U.S. Accelerates Quantum Push

After President Trump signed executive orders to accelerate U.S. quantum development (aiming for a deployable quantum computer by 2028 and post-quantum cryptography by 2031) and building on prior federal backing of about $2 billion, quantum stocks jumped in after-hours trading led by Infleqtion (~13%), Rigetti (~6%), D-Wave (~7–8%), IonQ (~3%), and IBM (~3.6%).

via Yahoo Finance|

#after-hours-trading #business #government-policy

technology18 days ago•5 min saved

Trump Drives Quantum Readiness Push to Safeguard Crypto Future

President Trump signed two executive orders to accelerate U.S. quantum computing development and move the federal government to quantum-resistant encryption, aiming for a 'scientifically relevant' quantum computer by 2028 and mandating a shift to post-quantum cryptography by end-2031, with pilots at NIST and DOE facilities and increased cyber-security protections; the policy aligns with crypto industry preparations for a quantum era and the risk Bitcoin faces from quantum attacks.

via Decrypt|

#bitcoin #executive-orders #national-security

politics18 days ago•13 min saved

US accelerates quantum tech with twin executive orders

Trump signed two executive orders to speed domestic quantum development: a government-wide effort to deliver a working quantum computer for scientific research by 2028 and to deploy quantum sensors/networks within five years, and a plan to migrate federal systems to quantum-resistant cryptography by 2031, backed by a $2 billion Commerce funding push) with quantum-tech stocks like IONQ, QUBT and IBM rising after hours.

via Yahoo Finance|

#executive-orders #national-security #politics

physics-and-chemistry25 days ago•16 min saved

Physicists Unveil a New Family of Schrödinger's Cat States in a Single Ion

Physicists developed a method to create and control quantum superpositions in the motion of a trapped strontium ion, turning the ion's internal spin into a tool to sculpt cat-like quantum states with distinctive interference patterns, expanding the Schrödinger cat family and offering new capabilities for quantum computing, simulations, and sensing.

via Gizmodo|

#physics-and-chemistry #quantum-computing #quantum-physics

science25 days ago•10 min saved

Moon Helium-3: The expensive hunt for a future fusion fuel

Helium-3, a costly isotope used in cooling quantum computers and potentially powering future fusion reactors, is currently produced mainly from tritium decay in nuclear weapons; as demand grows, researchers look to lunar regolith as a new source. Startups like Interlune and Astrotech are developing lunar mining concepts with targets around 2027, but extracting helium-3 on the Moon faces uncertainty over concentrations and economics. Earth-based alternatives and ongoing research keep the prospect speculative for now.

via BBC|

#fusion-energy #helium-3 #lunar-mining

science25 days ago•6 min saved

Oxford researchers sculpt new nonclassical Schrödinger-cat states in trapped ions

Oxford physicists demonstrated a new family of Schrödinger-cat–like quantum states built from highly nonclassical components in a single trapped ion, enabling programmable control over the state's shape and revealing genuine quantum interference through Wigner negativity; the approach could boost oscillator-based quantum computing and deepen insights into the quantum-classical boundary.

via ScienceDaily|

#nonclassical-states #quantum-computing #quantum-physics

science29 days ago•9 min saved

Oxford Physicists Create New Nonclassical Schrödinger-Cat States in Trapped-Ion System

Oxford researchers demonstrated a new family of quantum superpositions by entangling a trapped ion’s internal qubit with a broad set of nonclassical motional states and using mid-circuit measurements to carve programmable, nonclassical superpositions. Unlike traditional cat states built from coherent states, these ‘siblings’ of Schrödinger’s cat can be tuned in size, orientation, and separation, with interference patterns and Wigner negativity confirming genuine quantum superpositions. The work, reported in Physical Review X (2026), advances potential applications in quantum computing and precision metrology by expanding the toolbox of robust quantum states.

via Sci.News|

#cat-states #quantum-computing #quantum-states