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Category: computing – Page 70

Superposition In Quantum Computing: How Does This Quantum Mechanical Principle Work?

Quantum computing, a field of scientific exploration, is based on the quantum mechanical principle of superposition, which allows particles to exist in multiple states simultaneously. This principle, along with entanglement, a quantum phenomenon that enables particles to be instantaneously connected, provides quantum computers with computational power beyond the reach of classical computers. The development of quantum computing, rooted in the early 20th century, is a testament to intellectual daring, as scientists grappled with concepts that defied logic but were supported by experimental evidence.

This VR Game Developed by Japanese Scientists Could Improve Your Eyesight

With smartphones, game consoles and computers, it’s easy to rack up screen time these days. Of course, this isn’t great for your eyes, as anyone who has suffered an eyestrain hangover after spending hours gaming or doomscrolling knows. Staring at screens all the time tires out the ciliary muscles in your eyes that are responsible for focusing on objects, which can cause you to become near-sighted. However, the answer to improving your vision could be… more gaming?

In a recent study, researchers at Kwansei Gakuin University in Japan developed a VR game that aims to improve players’ eyesight. Although more research is needed, this game could potentially be used to help people with simple myopia (near-sightedness) bolster their vision.

It’s a relatively simple target shooting game developed in Unity for Meta Quest 2. The game features three lanes, each with a circular target on a stick. Pressing down the trigger button on the controller activates a virtual laser beam. Pointing this laser towards a lane highlights the lane and target and puts the player into “aim” mode. But to successfully hit the target, players have to move the controller’s stick in the direction indicated by the small Landolt C (a black ring shape with a gap used in Japanese eye tests) in the middle of the target.

Scientists Invented a Way to Store Data in Plastic Molecules and It Could Someday Replace Hard Drives

If you thought storing data inside DNA was cool, here’s something even more fascinating. Scientists at the University of Texas at Austin (UT Austin) have invented a way to store digital information inside synthetic polymer molecules. In short, they are transforming tiny bits of plastic into memory banks.

They even used their molecular system to encode a complex 11-character password and then decode it using only electrical signals, without any power, and the expensive and bulky tools typically used for reading molecular data.

Atomic-level view of plant cell death enzyme offers path to safer crop protection

In a discovery three decades in the making, scientists at Rutgers and Brookhaven National Laboratory have acquired detailed knowledge about the internal structures and mode of regulation for a specialized protein and are proceeding to develop tools that can capitalize on its ability to help plants combat a wide range of diseases.

The work, which exploits a natural process where plant cells die on purpose to help the host plant stay healthy, is expected to have wide applications in the agricultural sector, offering new ways to protect major food crops from a variety of devastating diseases, the scientists said.

In a study published in Nature Communications, a team led by Eric Lam at Rutgers University-New Brunswick and Qun Liu at Brookhaven National Laboratory in New York reported that advanced crystallography and computer modeling techniques have enabled them to obtain the best picture yet of a pivotal plant protease, a that cuts other proteins, known as metacaspase 9.

Exploiting the full potential of multiferroic materials for magnetic memory devices

As the digital world demands greater data storage and faster access times, magnetic memory technologies have emerged as a promising frontier. However, conventional magnetic memory devices have an inherent limitation: they use electric currents to generate the magnetic fields necessary to reverse their stored magnetization, leading to energy losses in the form of heat.

This inefficiency has pushed researchers to explore approaches that could further reduce in magnetic memories while maintaining or even enhancing their performance.

Multiferroic materials, which exhibit both ferroelectric and ferromagnetic properties, have long been considered potential game changers for next-generation memory devices.

Customizable chips mimic real-life blood vessel structures for disease research

Blood vessels are like big-city highways; full of curves, branches, merges, and congestion. Yet for years, lab models replicated vessels like straight, simple roads.

To better capture the complex architecture of real human , researchers in the Department of Biomedical Engineering at Texas A&M University have developed a customizable vessel-chip method, enabling more accurate vascular disease research and a drug discovery platform.

Vessel-chips are engineered microfluidic devices that mimic human vasculature on a microscopic scale. These chips can be patient-specific and provide a non-animal method for pharmaceutical testing and studying . Jennifer Lee, a biomedical engineering master’s student, joined Dr. Abhishek Jain’s lab and designed an advanced vessel-chip that could replicate real variations in vascular structure.

Quantum visualization technique confirms UTe₂ is an intrinsic topological superconductor

Scientists at University College Cork (UCC) in Ireland have developed a powerful new tool for finding the next generation of materials needed for large-scale, fault-tolerant quantum computing.

The significant breakthrough means that, for the first time, researchers have found a way to determine once and for all whether a material can effectively be used in certain quantum computing microchips.

The major findings have been published in Science and are the result of a large international collaboration which includes leading theoretical work from Prof. Dung-Hai Lee at the University of California, Berkeley, and material synthesis from professors Sheng Ran and Johnpierre Paglione at Washington University in St. Louis and the University of Maryland, respectively.

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