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Archive for the ‘physics’ category: Page 56

Apr 24, 2023

The Kardashev Scale

Posted by in categories: energy, physics, space

The kardeshev scale of possible future technological advance.


In 1964, Russian astrophysicist Nikolai Kardashev figured that civilizations can be categorized by the total amount of energy available to them. He called it the Kardashev Scale. He initially came up with 3 civilization types; type 1, type 2, and type 3. However, other astronomers have recently extended the scale from type 0 all the way to type 7 as new theories in modern physics have emerged. Check out the complete playlist as we unveil each level of the Kardashev Scale! Enjoy the videos, and do let us know your thoughts in the comments!

Apr 23, 2023

Researchers fabricate mechanical metamaterials with ultra-high energy absorption capacity

Posted by in categories: energy, physics

Chinese researchers have successfully fabricated mechanical metamaterials with ultra-high energy absorption capacity using ion track technology. The results were published in Nature Communications as an Editor’s Highlight.

The study was conducted by the researchers from the Materials Research Center of the Institute of Modern Physics (IMP) of the Chinese Academy of Sciences (CAS) and their collaborators from Chongqing University.

Mechanical metamaterials refer to a class of composite materials with artificially designed structures, which exhibit extraordinary mechanical properties that traditional materials do not have. Among them, energy absorption can absorb more efficiently, which requires the material itself to equip both and high strain capacity, which, however, hardly co-exist in general.

Apr 22, 2023

New dark matter map created with ‘cosmic fossil’ shows Einstein was right (again)

Posted by in categories: cosmology, mapping, physics

The mapping of matter in the cosmos helps to confirm Einstein’s theory of general relativity and reveals more about mysterious dark matter.

Apr 22, 2023

Scientists Discover Mysterious Warm Liquid Spewing From Oregon Seafloor

Posted by in categories: biological, chemistry, physics

The field of plate tectonics is relatively new, and researchers are still uncovering the intricacies of geologic faults that cause earthquakes. One such fault, the Cascadia Subduction Zone, is a potentially catastrophic offshore fault located in the Pacific Northwest that has yet to reveal all its secrets. Despite its eerie calmness, it is capable of producing a massive magnitude-9 quake.

A study led by the University of Washington discovered seeps of warm, chemically distinct liquid shooting up from the seafloor about 50 miles off Newport, Oregon. Their research, published in the journal Science Advances.

Continue reading “Scientists Discover Mysterious Warm Liquid Spewing From Oregon Seafloor” »

Apr 22, 2023

The BOAT Show: Unprecedented Gamma-Ray Burst Illuminates the Universe

Posted by in categories: government, physics, space

Scientists have analyzed the brightest gamma-ray burst (GRB) ever detected, named the BOAT (Brightest Of All Time) and GRB 221009A, which was observed by NASA

Established in 1958, the National Aeronautics and Space Administration (NASA) is an independent agency of the United States Federal Government that succeeded the National Advisory Committee for Aeronautics (NACA). It is responsible for the civilian space program, as well as aeronautics and aerospace research. Its vision is “To discover and expand knowledge for the benefit of humanity.” Its core values are “safety, integrity, teamwork, excellence, and inclusion.” NASA conducts research, develops technology and launches missions to explore and study Earth, the solar system, and the universe beyond. It also works to advance the state of knowledge in a wide range of scientific fields, including Earth and space science, planetary science, astrophysics, and heliophysics, and it collaborates with private companies and international partners to achieve its goals.

Apr 21, 2023

This Is Extraordinary: Gravity Can Create Light, All on Its Own

Posted by in categories: cosmology, physics

Right after the Big Bang, gravitational waves may have built on each other to create huge standing waves of gravitational energy.

Apr 20, 2023

Science and Math News

Posted by in categories: biological, computing, mathematics, physics, science

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Apr 20, 2023

New look at ‘Einstein rings’ around distant galaxies just got us closer to solving the dark matter debate

Posted by in categories: cosmology, physics

Physicists believe most of the matter in the universe is made up of an invisible substance that we only know about by its indirect effects on the stars and galaxies we can see.

We’re not crazy! Without this “dark matter”, the universe as we see it would make no sense.

But the nature of dark matter is a longstanding puzzle. However, a new study by Alfred Amruth at the University of Hong Kong and colleagues, published in Nature Astronomy, uses the gravitational bending of light to bring us a step closer to understanding.

Apr 20, 2023

Strange ‘Anomalies’ In Spacetime Could Be Revealing New Physics, Scientists Say

Posted by in categories: cosmology, physics

ABSTRACT breaks down mind-bending scientific research, future tech, new discoveries, and major breakthroughs. Scientists have made an unprecedented discovery about dark matter by examining anomalies in…

Apr 20, 2023

Giant magnetoresistance spotted in near-pristine graphene

Posted by in categories: materials, physics

After amazing us with its incredible strength, flexibility and thermal conductivity, graphene has now chalked up another remarkable property with its magnetoresistance. Researchers in Singapore and the UK have shown that, in near-pristine monolayer graphene, the room-temperature magnetoresistance can be orders of magnitude higher than in any other material. It could therefore provide both a platform for exploring exotic physics and potentially a tool for improving electronic devices.

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Magnetoresistance is a change in electrical resistance on exposure to a magnetic field. In the classical regime, magnetoresistance arises because the magnetic field curves the trajectories of flowing charges by the Lorentz force. In traditional metals, in which conduction occurs almost solely through electron motion, magnetoresistance quickly saturates as the field increases because the deflection of the electrons creates a net potential difference across the material, which counteracts the Lorentz potential. The situation is different in semimetals such as bismuth and graphite, in which current is carried equally by electrons and positive holes. Opposite charges flowing in opposite directions end up being deflected the same way by the magnetic field, so no net potential difference is generated and the magnetoresistance can theoretically grow indefinitely.

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