Limitless learning Universe
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Limitless learning Universe
Nature and the universe are a wonder. Insufficiently explored...
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Crucial hurdle overcome in quantum computing: Quantum logic gate in silicon built for the for the first time, making calculations between two qubits of information possible -- ScienceDaily

Crucial hurdle overcome in quantum computing: Quantum logic gate in silicon built for the for the first time, making calculations between two qubits of information possible -- ScienceDaily | Limitless learning Universe | Scoop.it
A team of engineers has built a quantum logic gate in silicon for the first time, making calculations between two qubits of information possible -- and thereby clearing the final hurdle to making silicon quantum computers a reality.
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Map captures Earth's antineutrino glow - #Science News #physics

Map captures Earth's antineutrino glow - #Science News #physics | Limitless learning Universe | Scoop.it
Tiny subatomic particles called antineutrinos stream away from Earth at different concentrations across the globe, a new map illustrates.
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Cosmic #mysteries, human questions

Cosmic #mysteries, human questions | Limitless learning Universe | Scoop.it
Why does the universe exist? For that matter, why do people? Can you even be sure that you do? 13.7 billion years ago, the universe was born in a cosmic fireball. Roughly 10 billion years later, the planet we call Earth gave birth to life, which eventually led to you. The probability of that sequence of events is absolutely minuscule, and yet it still happened.

 

Take a step back from the unlikeliness of your own personal existence and things get even more mind-boggling. Why does the universe exist at all? Why is it fine-tuned to human life? Why does it seem to be telling us that there are other universes out there, even other yous? http://tinyurl.com/4yonrse


Via Dr. Stefan Gruenwald, Jocelyn Stoller
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Quantum model helps solve #mysteries of water and raises new questions.

Quantum model helps solve #mysteries of water and raises new questions. | Limitless learning Universe | Scoop.it
A research team from the National Physical Laboratory (NPL), the University of Edinburgh and IBM's TJ Watson Research Center has revealed a major breakthrough in the modelling of water that could shed light on its mysterious properties.

 

Water is one of the most common and extensively studied substances on earth. It is vital for all known forms of life but its unique behaviour has yet to be explained in terms of the properties of individual molecules.

 

Water derives many of its signature features from a combination of properties at the molecular level such as high polarizability, directional hydrogen bonding sites and van der Waals forces, the attractive or repulsive forces between molecules not related to covalent or ionic bonds.


Vlad Sokhan, Principal Research Scientist said: "Many models exist that can reproduce certain aspects of these properties but there is no 'ultimate model' that can reproduce them all. We have collaborated on a radical new 'bottom up' approach that could help form a more complete model. The research has clear biological applications such as identifying amino acid sequences and computational protein design. Ultimately, this approach could potentially be used for other substances and offers a new framework for simulation of materials at the atomic and molecular scale."

The research explains how a single charged particle, known as a quantum Drude oscillator (QDO), can mimic the way that the electrons of a real water molecule fluctuate and respond to their environment.

 

This apparently extreme simplification retains interactions, not normally accessible in classical descriptions, and appears sufficiently powerful for the properties of liquid water to emerge naturally under ambient conditions. A realistic liquid is produced with a well-developed network of hydrogen bonds and other properties in close agreement to those of water such as the surface tension and the heat at which water evaporates into steam.


Via Dr. Stefan Gruenwald
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#Scientists just smashed the distance record for #quantum #teleportation #physics #science

#Scientists just smashed the distance record for #quantum #teleportation #physics #science | Limitless learning Universe | Scoop.it
It's not exactly Star Trek, but it's pretty freaky.
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D-Wave Systems Breaks the 1000 Qubit Quantum Computing Barrier #science #tech

D-Wave Systems Breaks the 1000 Qubit Quantum Computing Barrier #science #tech | Limitless learning Universe | Scoop.it

New Milestone Will Enable System to Address Larger and More Complex Problems

 

D-Wave Systems Inc., the world's first quantum computing company, today announced that it has broken the 1000 qubit barrier, developing a processor about double the size of D-Wave’s previous generation and far exceeding the number of qubits ever developed by D-Wave or any other quantum effort.

 

This is a major technological and scientific achievement that will allow significantly more complex computational problems to be solved than was possible on any previous quantum computer.

 

D-Wave’s quantum computer runs a quantum annealing algorithm to find the lowest points, corresponding to optimal or near optimal solutions, in a virtual “energy landscape.” Every additional qubit doubles the search space of the processor. At 1000 qubits, the new processor considers 21000possibilities simultaneously, a search space which dwarfs the 2512 possibilities available to the 512-qubit D-Wave Two. ‪In fact, the new search space contains far more possibilities than there are ‪particles in the observable universe.

 

“For the high-performance computing industry, the promise of quantum computing is very exciting. It offers the potential to solve important problems that either can’t be solved today or would take an unreasonable amount of time to solve,” said Earl Joseph, IDC program vice president for HPC. “D-Wave is at the forefront of this space today with customers like NASA and Google, and this latest advancement will contribute significantly to the evolution of the Quantum Computing industry.”

 

As the only manufacturer of scalable quantum processors, D-Wave breaks new ground with every succeeding generation it develops. The new processors, comprising over 128,000 Josephson tunnel junctions, are believed to be the most complex superconductor integrated circuits ever successfully yielded. They are fabricated in part at D-Wave’s facilities in Palo Alto, CA and at Cypress Semiconductor’s wafer foundry located in Bloomington, Minnesota.

 

“Temperature, noise, and precision all play a profound role in how well quantum processors solve problems.  Beyond scaling up the technology by doubling the number of qubits, we also achieved key technology advances prioritized around their impact on performance,” said Jeremy Hilton, D-Wave vice president, processor development. “We expect to release benchmarking data that demonstrate new levels of performance later this year.”

 

The 1000-qubit milestone is the result of intensive research and development by D-Wave and reflects a triumph over a variety of design challenges aimed at enhancing performance and boosting solution quality. Beyond the much larger number of qubits, other significant innovations include:

 

 Lower Operating Temperature: While the previous generation processor ran at a temperature close to absolute zero, the new processor runs 40% colder. The lower operating temperature enhances the importance of quantum effects, which increases the ability to discriminate the best result from a collection of good candidates.Reduced Noise: Through a combination of improved design, architectural enhancements and materials changes, noise levels have been reduced by 50% in comparison to the previous generation. The lower noise environment enhances problem-solving performance while boosting reliability and stability.Increased Control Circuitry Precision: In the testing to date, the increased precision coupled with the noise reduction has demonstrated improved precision by up to 40%. To accomplish both while also improving manufacturing yield is a significant achievement.Advanced Fabrication:  The new processors comprise over 128,000 Josephson junctions (tunnel junctions with superconducting electrodes) in a 6-metal layer planar process with 0.25μm features, believed to be the most complex superconductor integrated circuits ever built.New Modes of Use: The new technology expands the boundaries of ways to exploit quantum resources.  In addition to performing discrete optimization like its predecessor, firmware and software upgrades will make it easier to use the system for sampling applications.


Via Dr. Stefan Gruenwald
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Physicists Find Evidence That The Universe Is A Giant Brain #socialmedia #UP

Physicists Find Evidence That The Universe Is A Giant Brain #socialmedia #UP | Limitless learning Universe | Scoop.it
The idea of the universe as a 'giant brain' has been proposed by scientists - and science fiction writers - for decades. But now physicists say there may be some evidence that it's actually true.

Via Jared Broker
CineversityTV's insight:

I have been thinking this for ages.

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Jared Broker's curator insight, July 29, 2013 2:46 PM

Small scale structures and large scale structures are similar.  The brain mimics fungal webs in the soil.  Our brain is structured like the Internet, whic it created.

 

The background radiation is similarly styled too.  The Universal unity is comforting to me.

UFO Bob's's comment, July 29, 2013 5:20 PM
Wow, that's pretty awesome and something I've thought for a while.
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#science theory #Quantum life: The weirdness inside us #spirit #Gaya

#science theory #Quantum life: The weirdness inside us #spirit #Gaya | Limitless learning Universe | Scoop.it
EVER felt a little incoherent? Or maybe you've been in two minds about something, or even in a bit of delicate state. Well, here's your excuse: perhaps you are in thrall to the strange rules of quantum mechanics.

 

We tend to think that the interaction between quantum physics and biology stops with Schrödinger's cat. Not that Erwin Schrödinger intended his unfortunate feline - suspended thanks to quantum rules in a simultaneous state of being both dead and alive - to be anything more than a metaphor. Indeed, when he wrote his 1944 book What is Life?, he speculated that living organisms would do everything they could to block out the fuzziness of quantum physics. http://tinyurl.com/3bwgylj


Via Dr. Stefan Gruenwald
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