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Archive for the ‘materials’ category: Page 192

Jan 1, 2020

International Space Station astronauts play with fire for research

Posted by in categories: materials, space

Playing with fire can be dangerous and never more so than when confined in a space capsule floating 250 miles above the Earth. But in the past week astronauts onboard the International Space Station have intentionally lit a series of blazes in research designed to study the behaviour of flames in zero gravity.

The scientists behind the experiment, called Confined Combustion, say it will help improve fire safety on the ISS and on future lunar missions by helping predict how a blaze might progress in low gravity conditions.

Dr Paul Ferkul, of the Universities Space Research Association, who is working on the project, said: “That is the immediate and most practical goal since NASA can use the knowledge to improve material selection and fire safety strategies.”

Dec 30, 2019

New Solid Polymer-Based Electrolyte Helps Batteries Become Self-Healing, Recyclable

Posted by in category: materials

Lithium-ion batteries are notorious for developing internal electrical shorts that can ignite a battery’s liquid electrolytes, leading to explosions and fires. Engineers at the University of Illinois have developed a solid polymer-based electrolyte that can self-heal after damage – and the material can also be recycled without the use of harsh chemicals or high temperatures.

The new study, which could help manufacturers produce recyclable, self-healing commercial batteries, is published in the Journal of the American Chemical Society.

As lithium-ion batteries go through multiple cycles of charge and discharge, they develop tiny, branchlike structures of solid lithium called dendrites, the researchers said. These structures reduce battery life, cause hotspots, and electrical shorts, and sometimes grow large enough to puncture the internal parts of the battery, causing explosive chemical reactions between the electrodes and electrolyte liquids.

Dec 26, 2019

Laser R&D focuses on next-gen particle collider

Posted by in categories: materials, particle physics

Circa 2016


A set of new laser systems and proposed upgrades at the Department of Energy’s (DOE) Lawrence Berkeley National Laboratory (Berkeley Lab) will propel long-term plans for a more compact and affordable ultrahigh-energy particle collider.

Progress on these laser systems and laser-driven accelerators could also provide many spinoffs, such as a new tool to hunt for radioactive materials, and a miniaturized and highly tunable free-electron laser system enabling a range of science experiments.

Continue reading “Laser R&D focuses on next-gen particle collider” »

Dec 24, 2019

SpaceX achieves key safety milestone for crewed flight with 10th parachute test

Posted by in categories: materials, space travel

SpaceX is closing out the year with an achievement that should help it keep on track to fly astronauts on board one of its spacecraft next year. The Elon Musk-led space company finished its tenth consecutive successful parachute system test yesterday, an important safety system milestone that should be a good indication that the latest design is just about ready for use with astronauts on board.

The parachute system is what’s used to slow the descent of SpaceX’s Crew Dragon commercial astronaut spacecraft on its return trip to Earth, once it enters the atmosphere. The current design is the third major iteration of SpaceX’s parachute for Crew Dragon, featuring upgraded materials and improved stitching for the best possible reliability and durability during flight.

Yesterday the team completed the 10th successful multi-chute test in a row of Crew Dragon’s upgraded Mark 3 parachute design – one step closer to safely launching and landing @NASA astronauts pic.twitter.com/nfFjnKygB4

Dec 20, 2019

IBM Research Created a New Battery That Outperforms Lithium-Ion—No Problematic Heavy Metals Required

Posted by in categories: materials, transportation

With everything from cars, to trucks, to even airplanes going electric, the demand for batteries is going to continue to skyrocket in the coming years—but the availability of the materials currently used to make them is limited. So scientists at IBM Research have developed a new battery whose unique ingredients can be extracted from seawater instead of mining.

Dec 18, 2019

AMD releases FEMFX deformable physics library

Posted by in categories: materials, physics

AMD has published its new FEMFX deformable materials physics library and made it available for anyone to use in games and other software development.

Dec 14, 2019

Human Brains Have Tiny Bits of Magnetic Material

Posted by in categories: materials, neuroscience

Here’s the first map of the magnetic mineral magnetite in the human brain. Turns out that our brain stem may be full of it.

Dec 13, 2019

Scientists Discover Molecule That Triggers Self-Destruction of Pancreatic Cancer Cells

Posted by in categories: biotech/medical, materials

Neal Francis Vanderee posted this {I declare the names of anyone whom I share their material if their name does not share with the posting} another amazing act and feat of physiological research… AEWR.


30 days after receiving the treatment, the mice with pancreatic cancer cells transplanted from humans experienced a 90% reduction in tumors.

Dec 12, 2019

New material breaks world record for turning heat into electricity

Posted by in category: materials

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Dec 11, 2019

Higgs mode in a strongly interacting fermionic superfluid

Posted by in categories: materials, particle physics

Circa 2018


Higgs and Goldstone modes are possible collective modes of an order parameter on spontaneously breaking a continuous symmetry. Whereas the low-energy Goldstone (phase) mode is always stable, additional symmetries are required to prevent the Higgs (amplitude) mode from rapidly decaying into low-energy excitations. In high-energy physics, where the Higgs boson1 has been found after a decades-long search, the stability is ensured by Lorentz invariance. In the realm of condensed-matter physics, particle–hole symmetry can play this role2 and a Higgs mode has been observed in weakly interacting superconductors3,4,5. However, whether the Higgs mode is also stable for strongly correlated superconductors in which particle–hole symmetry is not precisely fulfilled or whether this mode becomes overdamped has been the subject of numerous discussions6,7,8,9,10,11. Experimental evidence is still lacking, in particular owing to the difficulty of exciting the Higgs mode directly. Here, we observe the Higgs mode in a strongly interacting superfluid Fermi gas. By inducing a periodic modulation of the amplitude of the superconducting order parameter Δ, we observe an excitation resonance at the frequency 2Δ/h. For strong coupling, the peak width broadens and eventually the mode disappears when the Cooper pairs turn into tightly bound dimers signalling the eventual instability of the Higgs mode.