My picks, 2016-5

These are the latest articles and videos I found most interesting.

  1. Six of the Coolest Surgical Robots in Action
  2. Quantum Computing and the Entanglement Frontier
  3. Quantum Information and Spacetime
  4. Holographic Quantum Codes
  5. Pinpointing qubits in a silicon quantum computer

Six of the Coolest Surgical Robots in Action

IEEE Spectrum
Would You Trust a Robot Surgeon to Operate on You?

Today’s surgical robots extend a surgeon’s capacities; they filter out hand tremors and allow maneuvers that even the best surgeon couldn’t pull off with laparoscopic surgery’s typical long-handled tools. But tomorrow’s robot surgeons will take over the operating room.


Quantum Computing and the Entanglement Frontier

John Preskill, Yale University

2016 Leigh Page Prize Lecture Series, hosted by Yale Department of Physics and Yale Quantum Institute

John Preskill, Richard P. Feynman Professor of Theoretical Physics, California Institute of Technology, “Quantum Computing and the Entanglement Frontier”

Abstract: The quantum laws governing atoms and other tiny objects seem to defy common sense, and information encoded in quantum systems has weird properties that baffle our feeble human minds. John Preskill will explain why he loves quantum entanglement, the elusive feature making quantum information fundamentally different from information in the macroscopic world. By exploiting quantum entanglement, quantum computers should be able to solve otherwise intractable problems, with far-reaching applications to cryptology, materials, and fundamental physical science. Preskill is less weird than a quantum computer, and easier to understand.


Quantum Information and Spacetime

John Preskill, Yale University

2016 Leigh Page Prize Lecture Series, hosted by Yale Department of Physics and Yale Quantum Institute

John Preskill, Richard P. Feynman Professor of Theoretical Physics, California Institute of Technology, “Quantum Information and Spacetime”

Abstract: Aside from enabling revolutionary future technologies, quantum information science is providing powerful new tools for attacking deep problems in fundamental physical science. In particular, the recent convergence of quantum information and quantum gravity is sparking exciting progress on some old and very hard questions.


Holographic Quantum Codes

John Preskill, Yale University

2016 Leigh Page Prize Lecture Series, hosted by Yale Department of Physics and Yale Quantum Institute

John Preskill, Richard P. Feynman Professor of Theoretical Physics, California Institute of Technology, “Holographic Quantum Codes”

Two of the most amazing ideas in physics are the holographic principle and quantum error correction. The holographic principle asserts that all the information contained in a region of space is encoded on the boundary of the region, albeit in a highly scrambled form. Quantum error correction is the foundation of our hope that large-scale quantum computer can be operated to solve hard problems. I will argue that these two ideas are closely related, and will describe quantum codes which realize the holographic principle. These codes provide simplified models of quantum spacetime, opening new directions in the study of quantum gravity, though many questions remain.


Pinpointing qubits in a silicon quantum computer

University of South Wales
CQC2T

Researchers from the Centre for Quantum Computation and Communication Technology (CQC2T) have solved a key challenge in the drive towards building a silicon-based quantum computer—one which could lead to more precise quantum logic operations.

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