Lifeboat Foundation

A temperature not seen since the first microsecond of the birth of the universe has been recreated by scientists, and they discovered that the event did not unfold quite the way they expected. The interaction of energy, matter, and the strong nuclear force in the ultra-hot experiments conducted at the Relativistic Heavy Ion Collider (RHIC) was thought to be well understood. However, a detailed investigation has revealed that physicists are missing something in their model of how the universe works. A recent paper detailing the findings appears in the journal Physical Review Letters.

“It’s the things you weren’t expecting that are really trying to tell you something in science,” says Steven Manly, associate professor of physics and astronomy at the University of Rochester and co-author of the paper. “The basic nature of the interactions within the hot, dense medium, or at least the manifestation of it, changes depending on the angle at which it’s viewed. We don’t know why. We’ve been handed some new pieces to the puzzle and we’re just trying to figure out how this new picture fits together.”

“They said, ‘This can’t be. You’re violating boost invariance.’ But we’ve gone over our results for more than a year, and it checks out.” —

A team of researchers from France has developed the first three-directional hybrid quantum inertial sensor, which can measure acceleration without using satellite signals. At the heart of this breakthrough device is something called “matter wave interferometry,” which uses two distinct characteristics of quantum mechanics: wave-particle duality and superposition.

In the cloud

The device consists of a cloud of rubidium atoms that are cooled to temperatures nearing absolute zero. The atoms are placed in a vacuum and are in free fall due to gravity.

“The toughness of this material near liquid helium temperatures (20 kelvin, −253°C) is as high as 500 megapascals square root metres,” said Robert Ritchie, Professor of Mechanical Engineering at Berkeley and study co-author. “In the same units, the toughness of a piece of silicon is one, the aluminium airframe in passenger airplanes is about 35, and the toughness of some of the best steels is around 100. So, 500, it’s a staggering number.”

The team’s new findings, alongside other recent work on HEAs, may force the materials science community to reconsider long-held notions about how physical characteristics give rise to performance.

“It’s amusing, because metallurgists say that the structure of a material defines its properties, but the structure of the CrCoNi is the simplest you can imagine – it’s just grains,” explained Ritchie.

A team of researchers managed to develop an ultra-resistant material that can stop projectiles at high speeds without breaking.

Winter and rainly season are worst for those who have chronic cough.even little rain increases throat pain.

This Primer by Mazzone and colleagues summarizes the epidemiology, pathophysiology, diagnosis and treatment of chronic cough and cough hypersensitivity. This Primer also discusses how cough hypersensitivity and chronic cough affect patients’ quality of life and future research directions for the field.

In a new review article published in Frontiers in Cell and Developmental Biology, researchers have suggested adding cellular enlargement to the hallmarks of aging [1].

Different cell types are known to have different shapes and sizes, which are dictated by their functions. In humans, sperm cells (male gametes) and ova (female gametes) have the smallest and largest diameters, respectively. On the other hand, some neurons are the longest cells: their axons can be over a meter long.

Nevertheless, within a specific cell type, the size variation is negligible. It has been long observed that healthy cells tend to maintain their size and that size changes are characteristic of pathological conditions. Cancer cells are often smaller than normal cells, while senescence leads to cellular enlargement [2].

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In this video Professor Sebastiano discusses the results that he and his team have had in rejuvenating human cells and how the process could be applied as well as their experience rejuvenating a muscle in an old mouse.

Continue reading “Cellular Reprogramming In Practice | Prof Vittorio Sebastiano Interview Series 2 Ep3” »

Apple CEO Tim Cook has revealed that the iPhone has been using Sony camera sensors for the last 10 years.

While it’s not a well-kept secret that Sony provide Apple with sensor technology, Apple tend to keep tight-lipped about the specifics of hardware components that go into the iPhone.

Apple lists the megapixels, focal length, aperture, and other specifications; but doesn’t mention identifiable hardware components.

Scientists are trying to work out if a strange new particle, dubbed a “ghost particle”, has been detected at CERN’s Large Hadron Collider (LHC) in Switzerland.

Using the Compact Muon Solenoid (CMS) instrument on the particle accelerator, the team said they had seen a signal that could be a particle that’s twice the mass of a carbon atom. But as the particle does not fit known theories, it could cause a bit of a stir if it exists. Their findings, which have not yet been peer-reviewed, are available on arXiv.

“I’d say theorists are excited and experimentalists are very skeptical,” Alexandre Nikitenko, a theorist on the CMS team who worked on the data, told The Guardian. “As a physicist I must be very critical, but as the author of this analysis I must have some optimism too.”