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Study finds theoretical model for neural activity of mouse brain


Study finds theoretical model for neural activity of mouse brain
ANI |
Updated: Apr 15, 2021 22:35 IST
Atlanta [US], April 15 (ANI): The findings of a new study by physicists at Emory University suggest that the dynamics of the neural activity of a mouse brain behave in a peculiar, unexpected way that can be theoretically modeled without any fine-tuning.
Physical Review Letters published the research, which adds to the evidence that theoretical physics frameworks may aid in the understanding of large-scale brain activity.
Our theoretical model agrees with previous experimental work on the brains of mice to a few per cent accuracy a degree which is highly unusual for living systems, says Ilya Nemenman, Emory professor of physics and biology and senior author of the paper. ....

New Mexico , United States , Los Alamos National Laboratory , Audrey Sederberg , Mia Morrell , Ilya Nemenman , Emory University , Princeton University , University Of Minnesota , York University , Review Letters , New York University , Theoretical Model , Neural Activity , Mouse Brain , Latest Science News , புதியது மெக்ஸிகோ , ஒன்றுபட்டது மாநிலங்களில் , லாஸ் அலமோஸ் தேசிய ஆய்வகம் , உணர்ச்சி பல்கலைக்கழகம் , ப்ரிந்ஸ்டந் பல்கலைக்கழகம் , பல்கலைக்கழகம் ஆஃப் மினசோட்டா , யார்க் பல்கலைக்கழகம் , விமர்சனம் எழுத்துக்கள் , புதியது யார்க் பல்கலைக்கழகம் ,

Gravity May Play a Tiny But Important Role in The Microworld of Particle Physics


Gravity May Play a Tiny But Important Role in The Microworld of Particle Physics
21 FEBRUARY 2021
Launch yourself from a great enough height and it won t take long to see which would win in a battle between gravity and the forces that bind solid ground.
Gravity s relative weakness, at least compared to the strength of electromagnetism and the nuclear forces, appears to limits its power to phenomena on the vast scales of planets and galaxies.
 
For this reason, together with the challenge of marrying general relativity with quantum physics, physicists tend to hand-wave gravity s role in the formation of particles by fudging it with a rather arbitrary correction factor. ....

Vladimirv Kassandrov , Ahmed Alharthy , People Friendship University Of Russia , Institute Of Gravitation , People Friendship University , மக்கள் நட்பு பல்கலைக்கழகம் ஆஃப் ரஷ்யா , நிறுவனம் ஆஃப் ஈர்ப்பு , மக்கள் நட்பு பல்கலைக்கழகம் ,

Physicists Propose a 'Force Field' to Protect Sensitive Quantum Computers From Noise


Physicists Propose a Force Field to Protect Sensitive Quantum Computers From Noise
19 FEBRUARY 2021
Creating a quantum computer requires an ability to stroke the edges of reality with the quietest of touches. Too much noise and the delicate state of the system collapses, leaving you with a very expensive paperweight.
 
One way to reduce the risk of this occurring is to build in checks and balances that help to shield the blurred state of reality at the core of quantum computers - and now scientists have proposed a new way to do just that.
Theoretical physicists from RWTH Aachen University in Germany have proposed what s known as a synthetic magnetic field , which they think could help protect the fragile qubits needed in a quantum computer. ....

John Preskill , Anja Metelmann , Daniel Gottesman , Alexeir Kitaev , Aachen University , Physical Review , டேனியல் கோத்டேஸ்மான் , ஆச்சென் பல்கலைக்கழகம் , உடல் விமர்சனம் ,

Physicists Thought The Atomic Giant Flerovium Was 'Magical', But It Was Just a Mirage


Physicists Thought The Atomic Giant Flerovium Was Magical , But It Was Just a Mirage
18 FEBRUARY 2021
Protons don t like to stay close to one another for very long. But if you ve got the right number balanced neatly among enough neutrons, they just might build an atom that won t crumble apart in the blink of an eye.
 
Theorists had suggested 114 could be one such magic number of protons – but a recent experiment conducted at the GSI Helmholtz Centre for Heavy Ion Research in Germany now makes that incredibly unlikely.
In 1998, Russian experimenters finally succeeded in building an element with 114 protons in its nucleus. It was later named flerovium after its birthplace, the Flerov Laboratory of Nuclear Reactions of the Joint Institute for Nuclear Research. ....

United States , University Of Mainz , Helmholtz Centre For Heavy Ion Research , Nishina Center , Heavy Ion Research , Flerov Laboratory , Nuclear Reactions , Joint Institute , Accelerator Based Science , Physical Review , ஒன்றுபட்டது மாநிலங்களில் , கனமான அயன் ஆராய்ச்சி , அணு ரியாக்ஶந்ஸ் , கூட்டு நிறுவனம் , முடுக்குப்பொறி அடிப்படையிலானது அறிவியல் , உடல் விமர்சனம் ,

New fellows program supports taking risks in science


In the lab of Irfan Siddiqi (left), ultracold freezers are key to investigating the theoretical and technological aspects of quantum coherence and harnessing the phenomenon in superconducting circuits and other devices. (UC Berkeley photo by Keegan Houser)
To support research that has the potential to forge new paths in the physical sciences, UC Berkeley today (Jan. 28) launched the Heising-Simons Faculty Fellows program.
Through a generous gift from the Heising-Simons Family Fund, early- and mid-career faculty members working in geology and geophysics, materials sciences and materials chemistry, astronomy and physics will have the opportunity to apply for five-year $1 million fellowships to pursue basic science research that could lead to paradigm-shifting discoveries. Two awards will be given each year for the next six years. ....

Ernest Lawrence , Keegan Houser , Chung Pei Ma , Marvin Cohen , Irfan Siddiqi , Luis Alvarez , Walter Alvarez , Sciences Frances Hellman , Research Randy Katz , Heising Simons Family Fund , Heising Simons Faculty Fellows , Physical Sciences Frances , Heising Simons Fellows , Vice Chancellor , Research Randy , Simons Faculty Fellows , University Of California , Ma Chung Pei , Raymonda Heising , Simons Foundation , அர்நெஸ்ட் லாரன்ஸ் , கீகந் ஹவுசர் , சுங் பேய் மா , மார்வின் கோஹன் , இர்பான் ஸீட்டிகீ , லூயிஸ் அல்வாரெஸ் ,