Ever feel like you need more time? That it’s just flying by you?
And, then, do you ever wish you could reverse it?
A study published in Scientific Reports by an international team of researchers has demonstrated that a time-reversal program on a quantum computer is possible.
Finding practical applications for quantum entanglement is a formidable endeavor to say the least, but a group of Chinese researchers overcame some of the fundamental challenges of open-air quantum teleportation by developing a highly accurate laser pointing and tracking system, as reported by Ars Technica. The team was able to teleport a qubit (a standard unit of data in quantum computing) 97 kilometers across a lake using a small set of photons without fiberoptic cables or other intermediaries.
The laser targeting device developed by Juan Yin and his team was necessary to counteract the minute seismic and atmosphere shifts that would otherwise break the link between the two remote locations. While the use of fiberoptic cables solves the point-to-point accuracy problems faced by open-air systems, using the cables to carry entangled photons — which in turn carry the data needed for quantum teleportation — can cause what’s known as “quantum decoherence,” or rather a corruption in the photon’s entanglement data.
In the grand spectrum of scientific achievement, Yin’s research is a small but crucial stepping stone on the path to a global quantum network, allowing for super-fast data transmission with high levels of encryption to take place. Yin and his team think that quantum repeater satellites could be used to build this network, but until scientists figure out a way to give qubits a few more microseconds of staying power, such a network is probably many years off.
Sightful, a startup based in Tel Aviv, is rolling out what it calls the world’s first augmented reality (AR) laptop following nearly three years of under-the-radar development.
Designed for the “work from anywhere” movement, the 13-inch Spacetop takes full advantage of AR to transform the area around users into 100 inches of virtual screen space.
Spacetop’s multi-monitor “Canvas” can display all open apps and windows, overlaid on the real world yet invisible to anyone except the user wearing the customized NReal AR glasses that come with the device. There are no gesture controls to learn, and no external hardware to integrate.
An unusual kind of superconductor harbors magnetic vortices that researchers predict should be readily observable thanks to the striped configurations they adopt.
In a nematic superconductor, electron pairs are bound more strongly in one, spontaneously chosen, lattice direction than in the others. This rotational symmetry breaking of the pairs’ wave function is just one of this type of superconductor’s unusual properties. A leading candidate to exhibit nematic superconductivity, copper-doped bismuth selenide, is also predicted to sustain surface charge-carrying quasiparticles known as Majorana fermions, which researchers think could be used for superconducting quantum technologies. What’s more, nematic superconductors harbor topological solitons known as skyrmions, whose complexity gives them many ways to arrange themselves and whose small size and low energy have attracted interest for data storage technologies. Now Thomas Winyard of the University of Edinburgh, UK, and colleagues have calculated the various skyrmion configurations that could arise in a nematic superconductor [1, 2].
The physicist Tony Skyrme came up with the concept of a skyrmion in 1961 when working on a particle physics problem. In the 2000s, the quasiparticle was then linked to condensed-matter systems when it was discovered that quasiparticles could also be used to explain magnetic vortices in certain thin films.
Advanced communication technologies, such as the fifth generation (5G) mobile network and the internet of things (IoT) can greatly benefit from devices that can support wireless communications while consuming a minimum amount of power. As most existing devices have separate components to perform computations and transmit data, reducing their energy consumption can be challenging.
Researchers at Nanjing University, Southeast University and Purple Mountain Laboratories in China recently devised a parallel in-memory wireless computing scheme that performs computations and wireless transmission concurrently on the same hardware. This design, introduced in Nature Electronics, is based on the use of mermristive crossbar arrays, grid-like structures containing memristors, electrical components that can both process and store data.
“In one of our previous works published in Nature Nanotechnology, we proposed the realization of massively parallel in-memory computing by using continuous-time data representation in a nanoscale crossbar array,” Shi-Jun Liang, one of the researchers who carried out the recent study, told Tech Xplore.
Apple is overtly teasing the start of “a new era” and the ability to “code new worlds” at WWDC this year, building anticipation around the widely expected announcement of its mixed-reality headset.
A tweet shared by Apple earlier today made the “new era” remark, seemingly leaning into the high expectations surrounding next week’s WWDC keynote. The launch of a major new device and operating system, something that has not occurred since the debut of the original Apple Watch in September 2014, would certainly seem to justify the start of a new era for the company.
Is the Quantum for Bio Program Director, at Wellcome Leap (https://wellcomeleap.org/our-team/elicakyoseva/), a $40M +$10M program focused on identifying, developing, and demonstrating biology and healthcare applications that will benefit from the quantum computers expected to emerge in the next 3–5 years.
Wellcome Leap was established with $300 million in initial funding from the Wellcome Trust, the UK charitable foundation, to accelerate discovery and innovation for the benefit of human health, focusing on build bold, unconventional programs and fund them at scale—specifically programs that target global human health challenges, with the goal of achieving breakthrough scientific and technological solutions.
Dr. Kyoseva completed her Ph.D. in Quantum Optics and Information, at Sofia University in Bulgaria, and then moved to the Center for Quantum Technologies in Singapore as a postdoc. Three years later, she established her own research group in Quantum Engineering at the Singapore University of Tech & Design and subsequently spent a year at MIT (Cambridge, USA) as a Research Fellow in the Nuclear Science and Engineering Department doing research on quantum control and engineering.
In 2016, Dr. Kyoseva was awarded a Marie Curie fellowship for research excellence by the European Commission with which she relocated to Tel Aviv, Israel and continued her research in robust control methods for Quantum Computing at Tel Aviv University. Since the beginning of 2020 she served as an Entrepreneur in Residence and Advisor at a venture capital firm and was instrumental for their investments in quantum computing startups. In September 2020, she took a senior role with Boehringer Ingelheim to develop applications of quantum algorithms to the drug discovery process working on the cutting edge of applied quantum computing technologies to improve the lives of both humans and animals.
Linux routers in Japan are the target of a new Golang remote access trojan (RAT) called GobRAT.
“Initially, the attacker targets a router whose WEBUI is open to the public, executes scripts possibly by using vulnerabilities, and finally infects the GobRAT,” the JPCERT Coordination Center (JPCERT/CC) said in a report published today.
The compromise of an internet-exposed router is followed by the deployment of a loader script that acts as a conduit for delivering GobRAT, which, when launched, masquerades as the Apache daemon process (apached) to evade detection.
Posted in computing
Any traditional computer such as a Turing machine or a Post machine or any other reasonable computer can become a self-referential Gödel machine by just loading it with a particular form of machine-dependent software, software that is self-referential and has the potential to modify itself.
But Gödel machines cannot in any way overcome the fundamental limitations of computability and of theorem proving which were first identified in 1931 by Kurt Gödel himself.
Posted in computing
