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Highest peak power and excellent stability

Researchers have developed a new system delivering few-ps pulses at 2 μm wavelength with peak power of 17 GW, exceeding previous records. The system features excellent stability and brilliant beam quality, making it suitable for applications in nonlinear optics, spectroscopy, and materials processing.

SourceForschungsverbund Berlin·JournalOptics Letters·DateJul 6, 2020

Physicists prove that 2D and 3D liquids are fundamentally different

Researchers discovered that two-dimensional liquids exhibit collective motion and long-wavelength fluctuations, which differ from the random Brownian motion seen in three-dimensional liquids. This finding helps explain puzzling differences in liquid dynamics and opens avenues for understanding complex fluid behavior.

SourceNanyang Technological University·JournalProceedings of the National Academy of Sciences·DateJan 13, 2020

Brewing beer that tastes fresh longer

Researchers have engineered lager yeast to produce more molecules that protect beer against staling, resulting in improved flavor stability. The modified strains produced 26.3-47.3% less acetaldehyde and increased levels of sulfur dioxide, a natural antioxidant.

SourceAmerican Chemical Society·JournalJournal of Agricultural and Food Chemistry·DateDec 4, 2019

Strengthening fundamental research in Africa

The project aims to deepen early career researchers' understanding of the value of science for its own sake and foster their interest in conceptual fundamental research. The PAPA programme will provide an educational programme, intensive education and supervision, workshops, and a mentoring programme to support the scholars.

UMass Amherst Researchers offer new physics rule to find mechanical strain

Researchers at UMass Amherst have developed a new theory that allows thin sheets to conform to 'geometrically incompatible' shapes by developing microscopic wrinkles, reducing the need for stretching and increasing efficiency. This breakthrough has significant implications for biotechnologists working on flexible and wearable sensors f...

SourceUniversity of Massachusetts Amherst·JournalProceedings of the National Academy of Sciences·DateJan 8, 2019

Möbius kaleidocycles: Sensational structures with potential applications

Möbius kaleidocycles are ring linkages that can be turned inside-out continuously, inspiring wonder in engineers and mathematicians. The objects have unique properties, such as a one-sided surface, and could be used for designing new mixing machines, energy transmitting devices, or robotic arms.

SourceOkinawa Institute of Science and Technology (OIST) Graduate University·JournalProceedings of the National Academy of Sciences·DateDec 17, 2018