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The rise of quantum computing and its implications for current encryption standards are well known. But why exactly should quantum computers be especially adept at breaking encryption? The answer is a nifty bit of mathematical juggling called Shor’s algorithm. The question that still leaves is: What is it that this algorithm does that causes quantum computers to be so much better at cracking encryption? In this video, YouTuber minutephysics explains it in his traditional whiteboard cartoon style.

“Quantum computation has the potential to make it super, super easy to access encrypted data — like having a lightsaber you can use to cut through any lock or barrier, no matter how strong,” minutephysics says. “Shor’s algorithm is that lightsaber.”

Continue reading “How Quantum Physics Leads to Decrypting Common Algorithms” »

Three scientists who laid the groundwork for the understanding of the odd “entangling” behavior of quantum particles have received the 2022 Nobel Prize in Physics.

French physicist Alain Aspect, Austria’s Anton Zeilinger and American John Clauser were honored for their experiments exploring the nature of entangled quantum particles.

Chipmaker Micron Technology revealed on Tuesday ambitious plans to develop a $100-billion computer chip factory complex in upstate New York, in a bid to boost domestic chip manufacturing and possibly deal with a worrying chips shortage. The money will be invested over a 20 year period, according to Reuters.

The world’s largest semiconductor fabrication facility

Continue reading “Micron to build the world’s largest semiconductor facility in the US” »

A group of researchers led by Cornell is unlocking the full potential of aluminum nitride—an important material for the advancement of electronics and photonics—thanks to the development of a surface cleaning technique that enables high-quality production.

The research was published Sept. 9 in the journal Science Advances. Graduate student Zexuan Zhang and research associate Yongjin Cho are the lead authors. The senior authors are Debdeep Jena and Huili Grace Xing, both professors of materials science and engineering and of electrical and computer engineering.

Aluminum nitride has gained significant research interest in the field of semiconductor materials as it provides an unmatched combination of high electrical resistivity and thermal conductivity, according to Zhang. The ceramic material is used as an electrically-insulating but thermally-conducting barrier in electronic devices, and due to its ability to operate at deep UV frequencies, it has great potential for use in light-emitting diodes and lasers.

Carnegie Mellon University researchers have pioneered the CMU Array—a new type of microelectrode array for brain computer interface platforms. It holds the potential to transform how doctors are able to treat neurological disorders.

The ultra-high-density microelectrode array (MEA), which is 3D-printed at the nanoscale, is fully customizable. This means that one day, patients suffering from epilepsy or limb function loss due to stroke could have personalized medical treatment optimized for their individual needs.

Continue reading “Researchers pioneer nanoprinting electrodes for customized treatments of neurological disorders” »

Electronic computing and communications have advanced significantly since the days of radio telegraphy and vacuum tubes. In fact, consumer devices now contain levels of processing power and memory that would be unimaginable just a few decades ago.

But as computing and information processing microdevices get ever smaller and more powerful, they are running into some fundamental limits imposed by the laws of quantum physics. Because of this, the future of the field may lie in photonics—the light-based parallel to electronics. Photonics is theoretically similar to electronics but substitutes photons for electrons. They have a huge potential advantage in that photonic devices may be capable of processing data much faster than their electronic counterparts, including for quantum computers.

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The open-source Linux operating system is an essential component of the cloud and enterprise application delivery. In fact, every cloud service, even Microsoft, offers Linux-based compute resources and Linux is often the default choice for embedded and internet of things (IoT) devices. Among the major Linux distribution vendors today are IBM’s Red Hat business unit, German vendor SUSE and Canonical, which develops the Ubuntu Linux distribution.

The market for Linux is forecast to grow to $22.15 billion by 2029, according to Fortune Business Insights, up from $6.27 billion in 2022.

A prototype computer built using a magnetic material called a skyrmion has been programmed to recognise handwritten digits. The approach could be particularly energy-efficient.

If you’ve ever tried to carry on a conversation in a noisy room, you’ll be able to relate to the scientists and engineers trying to “hear” the signals from experimental quantum computing devices called qubits. These basic units of quantum computers are early in their development and remain temperamental, subject to all manner of interference. Stray “noise” can masquerade as a functioning qubit or even render it inoperable.

That’s why physicist Christian Boutan and his Pacific Northwest National Laboratory (PNNL) colleagues were in celebration mode recently as they showed off PNNL’s first functional superconducting qubit. It’s not much to look at. Its case—the size of a pack of chewing gum—is connected to wires that transmit signals to a nearby panel of custom radiofrequency receivers. But most important, it’s nestled within a shiny gold cocoon called a dilution refrigerator and shielded from stray electrical signals. When the refrigerator is running, it is among the coldest places on Earth, so very close to absolute zero, less than 6 millikelvin (about −460 degrees F).

The extreme cold and isolation transform the sensitive superconducting device into a functional qubit and slow down the movement of atoms that would destroy the qubit state. Then, the researchers listen for a characteristic signal, a blip on their radiofrequency receivers. The blip is akin to radar signals that the military uses to detect the presence of aircraft. Just as traditional radar systems transmit radio waves and then listen for returning waves, the physicists at PNNL have used a low-temperature detection technique to “hear” the presence of a qubit by broadcasting carefully crafted signals and decoding the returning message.