Chronological feed of everything captured from John Preskill.
youtube / preskill / 2d ago
A recent breakthrough demonstrates how neutral atom-based quantum computing, leveraging concatenated codes and a four-zone architecture, dramatically reduces the physical qubit requirements for breaking current cryptographic standards like ECC256 and RSA2048. This fundamentally shifts the timeline for quantum-safe transitions, necessitating immediate action from organizations currently relying on these encryption methods. The research provides specific qubit counts and time estimations, challenging previous assumptions of millions of qubits being required.
quantum-computingcryptographyquantum-safe-cryptographyquantum-algorithmsneutral-atom-computersfault-tolerant-quantum-computingquantum-resource-estimation
“The previous estimate of millions of physical qubits required to break current cryptography via Shor's algorithm was based on limited quantum error correction techniques.”
tweet / preskill / 8d ago
Dolev Bluvstein, CEO of Oratomic, expressed excitement about the path toward building the first quantum computer. This suggests significant progress or a breakthrough, although the specific details remain under wraps. The Caltech group acknowledges the long-term nature of this endeavor.
quantum-computingquantum-computer-architecturefull-stack-quantumquantum-algorithmsquantum-hardwarequantum-tech-startup
“Dolev Bluvstein, CEO of Oratomic, is involved in the development of quantum computers.”
tweet / preskill / 11d ago
John Preskill and his colleagues are developing novel architectures for neutral-atom quantum processors. These advancements are projected to substantially decrease the resource requirements for fault-tolerant quantum computing, accelerating the realization of broadly useful quantum computing. Continued research at Caltech will focus on fundamental quantum science, while practical application and machine building will occur at TeamOratomic.
quantum-computingquantum-processorsfault-tolerancequantum-sciencequantum-technologyneutral-atom-processors
“New architectures for neutral-atom quantum processors can significantly reduce resource estimates for fault-tolerant quantum computing.”
tweet / preskill / 22d ago
John Preskill will present on "The Road to Quantum Advantage" at the Kavli Symposium during the APS Global Physics Summit. This topic is closely related to a previous presentation by Jens Eisert titled "Mind the gaps," which together form the complete title of their collaborative article, "Mind the gaps: The fraught road to quantum advantage."
quantum-computingquantum-advantagequantum-physicsphysics-conferencekavli-symposiumthread-engagement
“John Preskill is scheduled to speak at the Kavli Symposium during the APS Global Physics Summit.”
tweet / preskill / 23d ago
John Preskill is scheduled to speak at the Kavli Symposium during the APS Global Physics Summit. His presentation, titled "The Road to Quantum Advantage," will address advancements and challenges in achieving quantum advantage. This event highlights ongoing efforts to mature quantum computing beyond theoretical frameworks.
quantum-physicsquantum-advantagequantum-computingkavli-symposiumaps-global-physics-summit
“John Preskill will speak at the Kavli Symposium.”
tweet / preskill / 24d ago
Charles Bennett and Gilles Brassard have been awarded the A. M. Turing Award for their foundational contributions to quantum information science. Their work has significantly impacted secure communication and computing through the development of quantum cryptography. This recognition highlights the critical role their research has played in establishing a new paradigm for data security.
quantum-informationquantum-cryptographyturing-awardsecure-communicationquantum-computingcomputer-science-history
“Charles Bennett and Gilles Brassard received the A. M. Turing Award.”
tweet / preskill / 28d ago
Garnet Chan's essay explores the advancements in classical heuristics within computational quantum chemistry and their implications for quantum computing. The core insight is that lessons from classical approaches can guide both classical and quantum research towards more scientifically productive avenues. This suggests an interdisciplinary learning opportunity to optimize development in both fields.
quantum-chemistryquantum-computingclassical-heuristicscomputational-methodsscientific-advances
“Garnet Chan's essay discusses progress in classical heuristics in computational quantum chemistry.”
tweet / preskill / Mar 12
John Preskill's "Quantum Information Science Today and Tomorrow" first-year seminar at Caltech has concluded. The seminar fostered enthusiastic participation and perceptive insights from its students, as acknowledged by Preskill. This indicates an active engagement with quantum information science among early-career students at a leading technical institution.
quantum-information-sciencecaltech-seminarstudent-engagementphysics-education
“John Preskill taught a first-year seminar at Caltech.”
tweet / preskill / Mar 12
This post highlights Nicole Yunger Halpern's guide on navigating academic faculty offers, emphasizing practical advice for prospective faculty members. The guide aims to assist individuals in understanding and managing the complexities of receiving and responding to job offers within academia, focusing on strategic decision-making. Preskill's endorsement suggests the guide provides valuable, detailed insights for a technical audience facing these career transitions.
faculty-negotiationacademic-careerscareer-guidancehigher-educationoffer-negotiation
“Nicole Yunger Halpern has authored a guide providing advice on handling faculty offers.”
tweet / preskill / Feb 28
Dominik Hangleiter's third post in a series emphasizes the necessity of efficient verification methods for quantum advantage. The assessment focuses on the near-term feasibility of achieving this, highlighting key challenges and prospects.
quantum-computingquantum-advantagequantum-verificationcomputing-milestones
“Efficient verification of quantum advantage is important.”
tweet / preskill / Feb 27
John Preskill, a prominent theoretical physicist, continues to influence the academic discourse, notably by coining phrases that inspire research paper titles. This demonstrates his impact extends beyond direct research contributions to shaping the linguistic landscape of theoretical physics. His influence highlights the value of concise and evocative phrasing in scientific communication.
particle-theoryquantum-physicsacademic-influencescientific-papers
“John Preskill is an influencer in particle theory.”
tweet / preskill / Feb 4
Nadya Mason discusses the potential of Quantum 2.0 and the critical need for a skilled quantum workforce. Her insights, shared on a podcast, emphasize the foundational work required to translate quantum research into practical applications and the importance of educational initiatives to prepare the next generation of quantum scientists and engineers.
quantum-computingquantum-workforcestem-educationworkforce-development
“Nadya Mason is an eloquent speaker on quantum computing.”
tweet / preskill / Feb 2
John Preskill, a prominent figure in quantum information, was a guest on The Quantum Revolution podcast during the Q2B Silicon Valley conference. This interaction highlights the ongoing dissemination of advanced quantum computing concepts to a broader audience through popular science media.
quantum-computingpodcastq2b-conferencequantum-revolutionjohn-preskill
“John Preskill was a guest on The Quantum Revolution podcast.”
tweet / preskill / Jan 25
Dominik Hangleiter is conducting a multi-part assessment of the evidence supporting claims of quantum advantage in random-circuit-sampling experiments. This particular installment, part 2, continues a detailed examination of the experimental results and their implications for the existence of quantum advantage. The series aims to critically evaluate the empirical basis for these significant claims within quantum computing.
quantum-computingquantum-advantagerandom-circuit-samplingtheoretical-physicshpc-evaluation
“Dominik Hangleiter is performing a multi-part analysis of quantum advantage evidence.”
tweet / preskill / Jan 15
John Preskill presented at Q2B Silicon Valley on December 10, delivering a review of recent advancements in quantum computing. The talk likely covered significant breakthroughs, challenges, and future directions within the field, reflecting Preskill's expertise in quantum information science.
quantum-computingquantum-physicsq2b-conferencesilicon-valley
“John Preskill delivered a talk at Q2B Silicon Valley.”
tweet / preskill / Jan 11
The linked content, an "encouraging news" post by John Preskill referencing a New York Times article, suggests a positive development regarding potential US science budget cuts. While the article itself isn't provided, the context implies that previous threats of cuts, possibly from a Trump administration, may have been averted or mitigated by Congressional action. This indicates an ongoing political dynamic where scientific funding faces vulnerability but also has avenues for protection through legislative bodies.
science-policyus-politicstrump-administrationbudget-cutscongress
“John Preskill, a theoretical physicist, views the linked news as 'encouraging'.”
tweet / preskill / Jan 6
John Preskill highlights a new three-part series by Dominik Hangleiter addressing the contentious question of whether quantum advantage has been achieved. The series aims to provide an informative perspective on this much-debated topic within the quantum computing community.
quantum-computingquantum-advantagequantum-algorithmstheoretical-physics
“Dominik Hangleiter is writing a three-part series on quantum advantage.”
tweet / preskill / Jan 5
This content describes an interview between John Preskill, Ken Goldberg, and "The Quantum Kid." The discussion focuses on the intersection of quantum computing and robotics. Further information would require accessing the linked YouTube video.
quantum-computingroboticsinterviewai-podcast
“John Preskill and Ken Goldberg interviewed 'The Quantum Kid.'”
tweet / preskill / Jan 5
This content highlights the importance of expert advice for aspiring faculty, specifically regarding the interview process. It underscores the value of structured guidance for candidates aiming for academic positions.
academic-careersfaculty-interviewscareer-advicehigher-education
“The provided link offers advice on faculty job interviews.”
tweet / preskill / Dec 27
Quantum teleportation can be modeled via time-symmetric descriptions involving forward and backward temporal particle movement. This specific conceptual framework provides actionable intuition for developing new quantum applications.
quantum-mechanicsquantum-teleportationphysics-intuitionquantum-computing
“Quantum teleportation can be conceptually described as particles moving both forward and backward in time.”
tweet / preskill / Dec 26
John Preskill delivered his annual Q2B keynote address, summarizing advancements in quantum computing throughout 2024. The presentation highlighted significant progress in the field, likely detailing key breakthroughs and ongoing challenges.
quantum-computingquantum-technologyscientific-progresskeynote-speechtechnology-review
“John Preskill delivers an annual keynote at Q2B Silicon Valley every December.”
tweet / preskill / Dec 14
The core question is whether classical AI can outperform or even negate the need for quantum approaches in complex scientific predictions, particularly in electronic structure and natural signal deciphering. This challenge is viewed through the lens of complexity theory, suggesting a foundational debate on computational advantage. The discussion explores the boundaries of classical algorithms in addressing problems traditionally considered within the quantum domain.
quantum-computingartificial-intelligencecomplexity-theoryscientific-discovery
“Classical artificial intelligence may surpass quantum computing in predicting electronic structure and deciphering natural signals.”
tweet / preskill / Nov 6
The Institute for Quantum Information and Matter (IQIM) at Caltech is marking its 25th anniversary, highlighting its enduring influence and ongoing excitement within the field of quantum information science. This milestone underscores Caltech's sustained leadership in a rapidly evolving and increasingly vital scientific domain.
quantum-information-sciencecaltechanniversaryresearch-institutescientific-milestone
“The Institute for Quantum Information and Matter (IQIM) at Caltech is celebrating its 25th anniversary.”
tweet / preskill / Nov 4
The National Quantum Information Science Research Centers (NQISRCs) are actively working to enhance the US quantum innovation ecosystem. Their mission focuses on accelerating discoveries in quantum computing and related applications. This initiative aims to secure American leadership in the rapidly evolving field of quantum information science.
quantum-computingquantum-information-scienceresearch-centersnational-securitytechnological-innovationus-leadership
“NQISRCs aim to strengthen the quantum innovation ecosystem.”
tweet / preskill / Nov 4
Physicists demonstrate a notable appreciation for apparent contradictions, often finding them intellectually stimulating rather than problematic. This tendency is evidenced by their active engagement with and even "adoration" of such paradoxes. This approach suggests a unique epistemological framework within the field where contradictions can be seen as fertile ground for new discoveries.
quantum-physicsphysics-theoryscientific-philosophy
“Physicists 'adore' apparent contradictions.”
tweet / preskill / Nov 1
The annual IQIM Caltech retreat at Lake Arrowhead serves as a significant event for scientific community building, fostering collaboration and intellectual exchange among leading scientists. This gathering is consistently perceived as both uplifting and illuminating, suggesting its effectiveness in stimulating new ideas and strengthening professional relationships within the quantum information and matter research sphere.
quantum-computingcaltech-iqimscientific-retreatphysics-community
“The IQIM Caltech retreat is an annual event.”
tweet / preskill / Oct 29
Caltech is actively constructing a new physical connection between its quantum matter/information research hub at the Ginsburg Center and the high energy theory group within the Downs-Lauritsen Laboratory. This initiative signifies a strategic effort to foster interdisciplinary collaboration between these distinct but related fields.
quantum-physicsquantum-informationcaltech-researchhigh-energy-theoryginzburg-center
“A new physical bridge is being constructed at Caltech.”
tweet / preskill / Oct 24
Quantum computing has seen significant recent progress, yet its broad societal benefits and the precise timeline for their realization remain uncertain. Experts identify considerable challenges ahead, necessitating substantial further development despite an overall optimistic outlook for the technology.
quantum-computingquantum-futuretechnological-progressscientific-challenges
“The timing and methods by which quantum computing will broadly benefit humanity are currently unknown.”
tweet / preskill / Oct 19
John Preskill recently highlighted an influential 1975 Physical Review D paper by S.W. Hawking on black hole entropy. This reference underscores the continued relevance of foundational work in theoretical physics. The paper likely details key calculations and conceptual frameworks that shaped our understanding of black hole thermodynamics.
quantum-mechanicsphysicsjournalsjohn-preskill
“John Preskill referenced a specific paper from S.W. Hawking.”
tweet / preskill / Oct 19
C.N. Yang and T.T. Wu's 1975 paper was pivotal in integrating the mathematical concept of fiber bundles into gauge theory, influencing theoretical physics by providing a robust framework for understanding fundamental forces. This work highlighted the geometric underpinnings of gauge theories, impacting subsequent developments in particle physics and quantum field theory.
physics-historygauge-theoryfiber-bundlesquantum-mechanicsscientific-influencerstheoretical-physics
“Yang and Wu's 1975 paper connected fiber bundles to gauge theory.”
tweet / preskill / Oct 17
Researchers have developed a surprisingly simple protocol for verifying multi-qubit states against a desired target state. This advancement addresses a critical need in quantum computing for rigorous state characterization, enabling more reliable experimental validation of quantum computations. The method's simplicity could facilitate broader adoption and accelerate progress in quantum hardware development and error correction techniques.
quantum-computingquantum-state-verificationmany-qubit-systemsquantum-protocolsphysics-researchquantum-information
“A new protocol has been developed for verifying many-qubit states.”
tweet / preskill / Oct 7
The foundational work of Clarke, Devoret, and Martinis established that specially prepared electrical circuits exhibit macroscopic quantum mechanical behaviors, such as tunneling and energy quantization. This discovery has been instrumental in advancing the field of quantum computing, enabling the development of powerful tools for scientific exploration and addressing complex computational challenges.
quantum-physicsquantum-computingsuperconductivitynobel-prize
“Very cold electrical circuits can exhibit fundamental principles of quantum physics.”