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Ecole Polytechnique Fédérale de Lausanne


Combining VR and non-invasive brain stimulation: a neurotechnology that boosts spatial memory without surgery

Researchers at EPFL have created a unique experimental setup combining non-invasive deep-brain stimulation, virtual reality training, and fMRI imaging to improve spatial memory. The study shows that targeted electric impulses to the hippocampus can temporarily increase brain plasticity, leading to better navigation and recall.

SourceEcole Polytechnique Fédérale de Lausanne·JournalScience Advances·DateOct 30, 2024

Unexpected immune response may hold key to long-term cancer remission

A new study published in Nature has found that the type 2 immune response is positively correlated with long-term cancer remission, contradicting previous theories that it promotes tumor growth. The research used samples from pioneering clinical trials and revealed a statistically significant correlation between type 2 immune factors a...

SourceEcole Polytechnique Fédérale de Lausanne·JournalNature·TypeExperimental study·DateSep 26, 2024

An entire brain-machine interface on a chip: Converting brain activity to text on one extremely small integrated system

Researchers at EPFL developed a next-generation miniaturized brain-machine interface capable of direct brain-to-text communication on tiny silicon chips. The MiBMI system can decode neural signals generated when a person imagines writing letters or words with high accuracy and low power consumption.

SourceEcole Polytechnique Fédérale de Lausanne·JournalIEEE Journal of Solid-State Circuits·TypeMeta-analysis·DateAug 26, 2024

A 2D device for quantum cooling

Researchers at EPFL's Laboratory of Nanoscale Electronics and Structures have fabricated a device that efficiently converts heat into electrical voltage at temperatures lower than outer space. The innovative device exploits the Nernst effect, a complex thermoelectric phenomenon, to achieve unprecedented performance.

SourceEcole Polytechnique Fédérale de Lausanne·JournalNature Nanotechnology·TypeExperimental study·DateJul 5, 2024

High-precision measurements challenge our understanding of Cepheids

A new dataset from the VELOCE project has collected over 18,000 high-precision measurements of Cepheid radial velocities, providing insights into the structure and evolution of these stars. The data reveal complex patterns in pulsations that cannot be explained by traditional models, suggesting intricate processes within the stars.

SourceEcole Polytechnique Fédérale de Lausanne·JournalAstronomy and Astrophysics·DateJun 14, 2024

An AI leap into chemical synthesis

Researchers developed ChemCrow, an AI-powered tool that integrates expertly designed software tools to autonomously perform chemical synthesis tasks. The system enables plan-and-execute approach with reduced hallucinations and practical application, accelerating research and development in pharmaceuticals and materials science.

SourceEcole Polytechnique Fédérale de Lausanne·JournalNature Machine Intelligence·DateMay 8, 2024

Scientists capture X-rays from upward positive lightning

Scientists have recorded X-rays being produced at the beginning of upward positive lightning flashes, providing valuable insights into the origins of this rare and dangerous form of lightning. The observations, made possible by a unique setup in Switzerland, support the cold runaway electron model theory of lightning formation.

SourceEcole Polytechnique Fédérale de Lausanne·JournalScientific Reports·TypeObservational study·DateApr 26, 2024

Machine learning enables viability of vertical-axis wind turbines

Researchers at EPFL have developed a genetic learning algorithm to identify optimal pitch profiles for VAWT blades, increasing turbine efficiency by 200% and reducing vibrations by 77%. This innovation addresses the engineering problem of air flow control and has the potential to bring efficient VAWT technology to maturity.

SourceEcole Polytechnique Fédérale de Lausanne·JournalNature Communications·TypeExperimental study·DateApr 3, 2024

Magnetic fields boost clean energy

EPFL researchers have developed a novel approach to boost electrocatalysis using magnetic fields, enhancing the movement of reactants and improving reaction efficiency. This innovation has significant potential to revolutionize energy conversion technologies and increase sustainable fuel production, mitigating climate change.

SourceEcole Polytechnique Fédérale de Lausanne·JournalNature Communications·TypeExperimental study·DateApr 3, 2024