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Results 21 - 40 of 49.


Astronomy / Space Science - 04.02.2021
The CNRS welcomes France’s commitment to the construction and operation of the largest radio astronomy instrument ever built
The SKA Observatory will design and build the most sensitive radio astronomy instrument ever created, operating over an unmatched radio-wave range. It is expected to study the formation of the very first stars and galaxies shortly after the Big Bang. SKA will produce a data stream that exceeds today's global internet traffic and Facebook's current storage needs.

Physics - 04.02.2021
Team Paves the Way for Massive Integration of Qubits, Critical for Achieving Quantum Supremacy
Team Paves the Way for Massive Integration of Qubits, Critical for Achieving Quantum Supremacy
GRENOBLE, France - Feb. 4, 2021 - CEA-Leti scientists have opened a pathway to large-scale integration of Si-spin qubits using existing flip-chip processes with die-to-wafer 3D-interconnect technologies developed in-house. In a paper presented during the 2020 Electronics System-Integration Technology Conference (ESTC), the team reported preliminary electrical characterizations at cryogenic temperatures of chip assemblies made with 3D interconnects such as SnAg microbumps and direct Cu bonded pads from Cu/SiO 2 hybrid bonding process.

Astronomy / Space Science - 02.02.2021
Exoplanets: SPIRou carries out first ever measurement of a very young planet's density
Exoplanets: SPIRou carries out first ever measurement of a very young planet’s density
A research team led by scientists from IRAP (CNRS/CNES/Université Toulouse III - Paul Sabatier) and IPAG (CNRS/UGA) 1 has for the first time measured the internal density of a very young exoplanet orbiting a newly formed, extremely active star. Despite the 'noise' generated by the star's activity, they successfully achieved this using the Canada-France-Hawaii Telescope (CFHT)'s planet hunting instrument SPIRou.

History / Archeology - Environment - 27.01.2021
History of the Champagne vineyards revealed
History of the Champagne vineyards revealed
Although the reputation of Champagne is well established, the history of Champagne wines and vineyards is poorly documented. However, a research team led by scientists from the CNRS and the Université de Montpellier at the Institut des sciences de l'évolution de Montpellier 1 has just lifted the veil on this history by analysing the archaeological grape seeds from excavations carried out in Troyes and Reims.

Innovation - 26.01.2021
CEA-Leti Reports Breakthrough High-Performance Gyroscope For Automotive, Aeronautic and Industrial Applications
World's First NEMS-Based Gyroscope Operates at 50 kHz, "Beyond Frequencies Of Vibrations Common" in Severe Environments GRENOBLE, France - Jan. 26, 2021 - CEA-Leti scientists, working with researchers at Politecnico di Milano, have developed the world's first high-performance gyroscope for operating in severe environments, such as industrial and aeronautic equipment and automobiles.

Astronomy / Space Science - 26.01.2021
A titanic interstellar medium ejection from a massive starburst galaxy at redshift 1.4
A titanic interstellar medium ejection from a massive starburst galaxy at redshift 1.4
Skip to main page Skip to contain Skip to sitemap Skip to search Skip to accessibility Skip to contact Skip to legal notice Publication of CRAL in Nature Astronomy on January 11, 2021.  Feedback-driven winds from star formation or active galactic nuclei might be a relevant channel for the abrupt quenching of star formation in massive galaxies.

Computer Science - 19.01.2021
CEA-Leti Reports Machine-Learning Breakthrough That Opens Way to Edge Learning
Article in Nature Electronics Details Method that Takes Advantage of RRAM Non- Idealities To Create Intelligent Systems that Have Potential Medical-Diagnostic Applications -GRENOBLE, France - Jan. 18, 2021 - CEA-Leti scientists have demonstrated a machine-learning technique exploiting what have been previously considered as "non-ideal" traits of resistive-RAM (RRAM) devices, overcoming barriers to developing RRAM-based edge-learning systems.

Astronomy / Space Science - 18.01.2021
Saturn's tilt caused by its moons
Saturn’s tilt caused by its moons
Two scientists from CNRS and Sorbonne University working at the Institute of Celestial Mechanics and Ephemeris Calculation (Paris Observatory - PSL/CNRS) have just shown that the influence of Saturn's satellites can explain the tilt of the rotation axis of the gas giant. Rather like David versus Goliath, it appears that Saturn's tilt may in fact be caused by its moons.

Life Sciences - 29.12.2020
A single gene 'invented' haemoglobin several times
A single gene ’invented’ haemoglobin several times
Thanks to the marine worm Platynereis dumerilii , an animal whose genes have evolved very slowly, scientists from CNRS, Université de Paris and Sorbonne Université, in association with others at the University of Saint Petersburg and the University of Rio de Janeiro, have shown that while haemoglobin appeared independently in several species, it actually descends from a single gene transmitted to all by their last common ancestor.

Life Sciences - 29.12.2020
A single gene 'invented' haemoglobin several times
A single gene ’invented’ haemoglobin several times
Thanks to the marine worm Platynereis dumerilii , an animal whose genes have evolved very slowly, scientists from CNRS, Université de Paris and Sorbonne Université, in association with others at the University of Saint Petersburg and the University of Rio de Janeiro, have shown that while haemoglobin appeared independently in several species, it actually descends from a single gene transmitted to all by their last common ancestor.

Computer Science - 18.12.2020
Scientists Present In-Memory Computing Pathways for Edge-AI & Neural Networks with 3D Architectures & Resistive-RAM
Papers at IEDM 2020 Explore Ways to Leverage 3D Technology's Strengths For Lowering Device Energy Consumption and Energy Lost in Data Transmission -GRENOBLE, France - Dec. 18, 2020 - CEA-Leti presented two papers this week at IEDM 2020 that confirm the advantages of combining 3D architectures and resistive-random-access-memories (RRAM) for in-memory computing (IMC), and their applications for Edge-AI and neural networks.

Physics - 17.12.2020
CEA-Leti Papers at IEDM 2020 Highlight Progress in Overcoming Challenges
Gallium Nitride Seen as Highly Efficient Replacement for Silicon in Wide Range of Consumer and Industrial Uses GRENOBLE , France - Dec. 16, 2020 - Two complementary research papers from CEA-Leti confirmed that the institute's approach to gallium-nitride (GaN) technologies is on track overcome challenges in the architecture and performance of advanced GaN devices embedding a MOS gate, and targeting the fast-growing global market for power-conversion systems.

Computer Science - 16.12.2020
CEA Institutes Combine 3D Integration Technologies & Many-Core Architectures to Enable High-Performance Processors That Will Power Exascale Computing
CEA Institutes Combine 3D Integration Technologies & Many-Core Architectures to Enable High-Performance Processors That Will Power Exascale Computing
Invited paper at IEDM 2020 shows benefit of CEA-List's architectures in co-optimizing CEA-Leti's 3D toolbox to enable higher bandwidth & heterogeneity for high-performance processors. CEA Institutes Combine 3D Integration Technologies & Many-Core Architectures to Enable High-Performance Processors That Will Power Exascale Computing S AN FRANCISCO - Dec.

Health - Life Sciences - 16.12.2020
Alzheimer’s Disease: Regulating Copper in the Brain Stops Memory Loss Among Mice
Alzheimer's disease is characterized by the presence of amyloid plaques 1 in the patient's brain. These plaques sequester copper, and contain approximately five times as much as a healthy brain. Two CNRS scientists from the Coordination Chemistry Laboratory recently developed, with their colleagues from the Guangdong University of Technology and Shenzhen University (China), a molecule that regulates the circulation of copper in the brain.

History / Archeology - Earth Sciences - 09.12.2020
New evidence: Neandertals buried their dead
New evidence: Neandertals buried their dead
Was burial of the dead practiced by Neandertals or is it an innovation specific to our species? There are indications in favour of the first hypothesis but some scientists remain sceptical. For the first time in Europe, however, a multi-disciplinary team led by researchers at the CNRS and the Muséum national d'histoire naturelle (France) and the University of the Basque Country (Spain) 1 has demonstrated, using a variety of criteria, that a Neandertal child was buried, probably around 41,000 years ago, at the Ferrassie site (Dordogne).

Environment - Earth Sciences - 07.12.2020
Getting to the bottom of Arctic landslides
Getting to the bottom of Arctic landslides
Erosion of the frozen soil of Arctic regions, known as permafrost, is creating large areas of subsidence, which has catastrophic impact in these regions sensitive to climate change. As the mechanisms behind these geological events are poorly understood, researchers from the Géosciences Paris Sud (GEOPS) laboratory (CNRS / Université Paris-Saclay), in cooperation with the Melnikov Permafrost Institute in Yakutsk, Russia, conducted a cold room 1 simulation of landslides, or slumps, caused by accelerated breakdown of the permafrost.

Environment - 07.12.2020
Nature's contributions to people found to be in decline
Nature’s contributions to people found to be in decline
Over the past 50 years, declining biodiversity has put many of nature's contributions to people at risk.  This is the conclusion reached by fifteen leading international experts, including a French ethnoecologist 1 at the CNRS (French National Centre for Scientific Research).

Physics - 02.12.2020
A French Team Has Improved the Measurement of a Fundamental Physical Constant
A French Team Has Improved the Measurement of a Fundamental Physical Constant
The validation and application of theories in physics require the measurement of universal values known as fundamental constants. A team of French researchers 1 has just conducted the most accurate measurement to date of the fine-structure constant, which characterizes the strength of interaction between light and charged elementary particles, such as electrons.

Health - Pharmacology - 01.12.2020
Deciphering the energetic code of cells for better anticancer therapies
Deciphering the energetic code of cells for better anticancer therapies
A procedure that may help personalise anticancer therapies has just been developed by the CNRS, INSERM, and Aix-Marseille University scientists at the Centre d'Immunologie de Marseille-Luminy, in association with colleagues from the University of California San Francisco and the Marseille Public University Hospital System (AP-HM), with support from Canceropôle Provence-Alpes-Côte d'Azur.

Astronomy / Space Science - Computer Science - 19.11.2020
Machine learning: a breakthrough in the study of stellar nurseries
Machine learning: a breakthrough in the study of stellar nurseries
Artificial intelligence can make it possible to see astrophysical phenomena that were previously beyond reach. This has now been demonstrated by scientists from the CNRS, IRAM, Observatoire de Paris-PSL, Ecole Centrale Marseille and Ecole Centrale Lille, working together in the ORION-B 1 programme. In a series of three papers published in Astronomy & Astrophysics on 19 November 2020, they present the most comprehensive observations yet carried out of one of the star-forming regions closest to the Earth.

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