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Aug 1, 2020

Did Scientists Actually Spot Evidence Of Another Universe?

Posted by in categories: cosmology, mathematics, physics

In a study published earlier this month, a team of theoretical physicists is claiming to have discovered the remnants of previous universes hidden within the leftover radiation from the Big Bang. Our universe is a vast collection of observable matter, like gas, dust, stars, etc., in addition to the ever-elusive dark matter and dark energy. In some sense, this universe is all we know, and even then, we can only directly study about 5% of it, leaving 95% a mystery that scientists are actively working to solve. However, this group of physicists is arguing that our universe isn’t alone; it’s just one in a long line of universes that are born, grow, and die. Among these scientists is mathematical physicist Roger Penrose, who worked closely with Stephen Hawking and currently is the Emeritus Rouse Ball Professor of Mathematics at Oxford University. Penrose and his collaborators follow a cosmological theory called conformal cyclic cosmology (CCC) in which universes, much like human beings, come into existence, expand, and then perish.

Aug 1, 2020

MIT Scientists Create Giant “Artificial Atoms” to Enable Quantum Processing and Communication in One

Posted by in categories: computing, particle physics, quantum physics

Researchers devise an on-off system that allows high-fidelity operations and interconnection between processors.

MIT researchers have introduced a quantum computing architecture that can perform low-error quantum computations while also rapidly sharing quantum information between processors. The work represents a key advance toward a complete quantum computing platform.

Previous to this discovery, small-scale quantum processors have successfully performed tasks at a rate exponentially faster than that of classical computers. However, it has been difficult to controllably communicate quantum information between distant parts of a processor. In classical computers, wired interconnects are used to route information back and forth throughout a processor during the course of a computation. In a quantum computer, however, the information itself is quantum mechanical and fragile, requiring fundamentally new strategies to simultaneously process and communicate quantum information on a chip.

Aug 1, 2020

CDC: Salmonella Outbreak Linked To Red Onions, 396 People Ill In 34 States

Posted by in categories: biotech/medical, food

Looks like the Centers for Disease Control and Prevention (CDC) has found the root cause of the latest Salmonella Newport outbreak. And it’s not alien DNA or demon sperm. It’s onions, specifically red onions.

Yep, if you like red onions with your salads, on your pasta, in your burgers, or just all over your body, you may be shedding a tear. Eating red onions is the one thing that many people affected by this Salmonella outbreak seem to have in common. Well, that and diarrhea as well as all the other wonderful stuff that comes with Salmonella infections.

I first covered this outbreak eight days ago for Forbes. Back then, the cause of the outbreak, which had already affected at least 125 people in 15 states at the time, was unknown. The CDC couldn’t warn the public to avoid any specific foods, and avoiding all foods would not have been a practical suggestion.

Aug 1, 2020

Researchers find crystals of indium selenide have exceptional flexibility

Posted by in categories: electronics, materials

A team of researchers affiliated with multiple institutions in China and one in the U.S. has found that semiconducting crystals of indium selenide (InSe) have exceptional flexibility. In their paper published in the journal Science, the group describes testing samples of InSe and what they learned about the material. Xiaodong Han with Beijing University of Technology has published a Perspective piece outlining the work by the team in China in the same journal issue.

As the researchers note, most semiconductors are rigid, which means they are difficult to use in applications that require varied surfaces or bending. This has presented a problem for portable device makers as they attempt to respond to user demand for bendable electronics. In this new effort, the researchers in China have found one semiconductor, InSe, that is not only flexible, but is so pliable that it can be processed using rollers.

InSe, as its name implies, is a compound made from indium (a metal element often used in touchscreens) and selenium (a non-metal element). Selenium is also a 2-D semiconductor, and has come under scrutiny after researchers discovered that its bandgap matched the visible region in the electromagnetic spectrum. It has previously been studied for use in specialty optoelectronic applications. In this new effort, the researchers looked into the possibility of using it as a in bendable portable electronic devices.

Aug 1, 2020

Surprisingly Recent Galaxy Discovered Using Machine Learning – May Be the Last Generation Galaxy in the Long Cosmic History

Posted by in categories: cosmology, information science, robotics/AI

Breaking the lowest oxygen abundance record.

New results achieved by combining big data captured by the Subaru Telescope and the power of machine learning have discovered a galaxy with an extremely low oxygen abundance of 1.6% solar abundance, breaking the previous record of the lowest oxygen abundance. The measured oxygen abundance suggests that most of the stars in this galaxy formed very recently.

Continue reading “Surprisingly Recent Galaxy Discovered Using Machine Learning – May Be the Last Generation Galaxy in the Long Cosmic History” »

Aug 1, 2020

NASA astronauts’s splashdown could happen off Big Bend’s coast this weekend

Posted by in category: space travel

(WTXL) — History could be made right here in the Big Bend this weekend.

For the first time in 45 years, a NASA spacecraft with two American Astronauts on board will splash down off the coast of Florida.

The exact location of where the SpaceX Crew Dragon spacecraft will splashdown hasn’t been announced yet.

Aug 1, 2020

AMD Radeon Instinct MI100 Acturus teased, NVIDIA Ampere destroyer?!

Posted by in category: computing

Even in a dual-socket AMD EPYC Rome/Milan server and 4 x MI100 PCIe-based accelerators, we’re looking at 128GB of HBM memory on offer with 4.9TB/sec of bandwidth. We see a drop down to 136 TFLOPs here as well.

We are looking at the purported AMD Radeon Instinct MI100 accelerator being around 13% faster in FP32 compute performance over NVIDIA’s new Ampere A100 accelerator. The performance to value ratio is much better, with the MI100 being 2.4x better value over a V100S setup, and 50% better value over Ampere A100.

AMD Radeon Instinct MI100 Acturus teased, NVIDIA Ampere destroyer?! 03 | TweakTown.com

Aug 1, 2020

How to Build a $1000 Fusion Reactor in Your Basement

Posted by in category: nuclear energy

face_with_colon_three circa 2010.


Admittedly, the project is a little dangerous—not because of a few little fusion reactions but because of the very flammable gas and voltages high enough to instantly kill you.

Aug 1, 2020

European atlas of natural radiation

Posted by in categories: biotech/medical, food

Do you know what natural ionising radiation is? Where can you find natural resources of radiation? What are the levels of natural sources of radiation in Europe? Do you know the pathways of ionising radiation? Natural radionuclides, both terrestrial and cosmogenic, migrate in the environment through different pathways: air, water, rock, soil and the food chain. Radionuclides may then enter the.

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Human body through ingestion (food and drinking water) and inhalation giving, so-called, internal exposure. External exposure is due to cosmic radiation and radiation from terrestrial radionuclides present in soil, rock and building materials. The first ever ‘European atlas of natural radiation’ uses informative texts, stunning photographs and striking maps to answer and explain these and other questions.

Aug 1, 2020

Measurement of magnetic field and relativistic electrons along a solar flare current sheet

Posted by in category: futurism

Observations of the X8.2 solar flare, which happened on 2017 September 10, could spatially resolve the distribution of the energetic electrons along the reconnection current sheet. More than 99% of them are concentrated at the bottom of the current sheet, not at the reconnection X point.