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Category: computing – Page 858

Another article just came out today providing additional content on the Quantum Computing threat and it did reference the article that I had published. Glad that folks are working on this.

The NSA is worried about quantum computers. It warns that it “must act now” to ensure that encryption systems can’t be broken wide open by the new super-fast hardware.

In a document outlining common concerns about the effects that quantum computing may have on national security and encryption of sensitive data, the NSA warns that “public-key algorithms… are all vulnerable to attack by a sufficiently large quantum computer.”

Quantum computers can, theoretically, be so much faster because they take advantage of a quirk in quantum mechanics. While classical computers use bits in 0 or 1, quantum computers use “qubits” that can exist in 0, 1 or a superposition of the two. In turn, that allows it to work through possible solutions more quickly meaning they could crack encryption that normal computers can’t.

Continue reading “NSA Plans to ‘Act Now’ to Ensure Quantum Computers Can’t Break Encryption” | >

2016-01-29-1454078214-8291223-Patterson_cancer.jpg
By David Patterson Professor of Computer Science University of California, Berkeley This ancient assassin, first identified by a pharaoh’s physician, has been killing people for more than 4,600 years. As scientists found therapies for other lethal diseases–such as measles, influenza, and heart disease–cancer moved up this deadly list and will soon be #1; 40% of Americans will face cancer during their lifetimes, with half dying from it. Most of us ignore cancer until someone close is diagnosed, but instead society could zero in on this killer by recording massive data to discover better treatments before a loved one is in its crosshairs.

Cancer is unlimited cell growth caused by problems in DNA. Some people are born with precarious DNA, and others acquire it later. When a cell divides, sometimes it miscopies a small amount of its DNA, and these errors can overwhelm a cell’s defenses to cause cancer. Thus, you can get it without exposure to carcinogens. Cigarettes, radiation, asbestos, and so on simply increase the copy error rate. Speaking figuratively, every time a cell reproduces, we roll the dice on cancer, with such mutagens loading the dice to raise cancer’s chances.

Most cancer studies today use partial genomic information and have fewer than 1,000 patients. One wonders whether their conclusions would still hold if they used complete genomes and increased the number of patients by factors of 10–100.

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NSA states it must act now against the “Quantum Computing Threat” due to hackers can possess the technology. I wrote about this on Jan 10th. Glad someone finally is taking action.

The National Security Agency is worried that quantum computers will neutralize our best encryption – but doesn’t yet know what to do about that problem.

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Researchers are only steps away from bioprinting tissues and organs to solve a myriad of injuries and illnesses. TechRepublic has the inside story of the new product accelerating the process.

If you want to understand how close the medical community is to a quantum leap forward in 3D bioprinting, then you need to look at the work that one intern is doing this summer at the University of Louisville.

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A transparent material that can be attached to a smartphone’s touch screen could help the device generate electricity whenever anyone taps it, researchers in China say.

Touch screens are now found on most cell phones and tablet computers. Using a touch screen typically involves finger taps, and scientists at Lanzhou University in China reasoned that the mechanical energy from these motions could be converted into electricity to charge the phone’s batteries, which could significantly extend the working time of these portable devices.

The researchers developed a new material based on a transparent silicone rubber known as PDMS. Scientists embedded wires in this rubber that were made of lead zirconate titanate that were only 700 nanometers, or billionths of a meter, wide. For perspective, this is about 140 times thinner than the average width of a human hair. [Top 10 Inventions That Changed the World].

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It’s that time of the year again when techno pundits are once again breathlessly telling us all about the technology and innovation trends that will be big in 2013. That’s great, but many of those predictions will be hopelessly wrong by the end of March. That’s why it’s so fascinating that Ray Kurzweil, one of the leading thinkers when it comes to the future of technology, has had such a strong track record in making predictions about technology for nearly two decades. In fact, of the 147 predictions that Kurzweil has made since the 1990’s, fully 115 of them have turned out to be correct, and another 12 have turned out to be “essentially correct” (off by a year or two), giving his predictions a stunning 86% accuracy rate. So how does he do it?

The fact is, Ray has a system and this system is called the Law of Accelerating Returns. In his new book How to Create a Mind: The Secret of Human Thought Revealed, Kurzweil points out that “every fundamental measure of information technology follows predictable and exponential trajectories.” The most famous of these trajectories, of course, has been the price/performance path of computing power over more than 100 years. Thanks to paradigms such as Moore’s Law, which reduces computing power to a problem of how many transistors you can cram on a chip, anyone can intuitively understand why computers are getting exponentially faster and cheaper over time.

The other famous exponential growth curve in our lifetime is the sheer amount of digital information available on the Internet. Kurzweil typically graphs this as “bits per second transmitted on the Internet.” That means the amount of information on the Internet is doubling approximately every 1.25 years. That’s why “Big Data” is such a buzzword these days — there’s a growing recognition that we’re losing track of all the information we’re putting up on the Internet, from Facebook status updates, to YouTube videos, to funny meme posts on Tumblr. In just a decade, we will have created more content than existed for thousands of years in humanity’s prior experience.

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Researchers have discovered a new method of heat conduction that is a ten-thousand-fold improvement over earlier attempts. The novel invention forms a necessary step in the creation of super-cooled quantum computing.

A group of Finnish scientists at Aalto University have made a stunning breakthrough in heat transference, and the implications are potentially revolutionary.

The discovery made by quantum physicist Mikko Möttönen and his team involves something known as “quantum-limited heat conduction,” a rather cumbersome term for, simply, the most efficient possible heat conduction from one point to another.

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Did you know that Quantum Theory does not know how probabilities are implemented in Nature? And for that matter neither does any other physical theory. Why? Or why not? The closest Quantum Theory comes to explaining probabilities, is to guess that a particle’s wave function is related to its probabilities. That’s it!

Why do we need to ask this question? Commercial opportunities. Imagine if you could control where a photon localizes (captured by an atom). Particle detectors become significantly more sensitive. Boring? No, in fact, DARPA aims to precisely spot single photons and explore the Fundamental Limits of Photon Detection. Anti-stealth is one application. Imagine if you didn’t need 1,000,000 radio wave photons to determine an aircraft’s radar signature, but only a 1,000?

Using probabilities to control photon switching “circuits”, probability switches. Imagine an empty box with optical cables entering and exiting. These probability switches cause photons to exit through different optical cables by controlling where they localize within the box. What if we could build computers with materials lighter than a feather to switch photon paths, instead of heavy silicon or gallium arsenide to switch electron paths? Imagine how fast these switches could operate, as no matter is involved.

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