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Aug 8, 2024

Metalenses phase characterization by multi-distance phase retrieval

Posted by in category: transportation

Metalens is a kind of optical metasurface composed of metaatoms for manipulating incoming light’s amplitude, phase, and polarization. Unlike traditional refractive lenses, metalens can modulate the wavefront from plane to spherical at an interface. It has garnered widespread attention due to its novel physical properties and promising potential applications.

Aug 8, 2024

Research confirms importance of symmetry in pre-ignition fusion experiments

Posted by in category: futurism

Researchers at Lawrence Livermore National Laboratory (LLNL) have retrospectively confirmed that implosion asymmetry was a major aspect of fusion experiments before achieving ignition for the first time at the Lab’s National Ignition Facility (NIF), the world’s most energetic laser.

Aug 8, 2024

New research challenges conventional wisdom on wet surface adhesion

Posted by in category: futurism

Scientists at the University of Akron and the University of Pittsburgh have overturned long-held assumptions in new research that finds water can be a help for adhesion.

Aug 8, 2024

X-ray imagery of vibrating diamond opens avenues for quantum sensing

Posted by in categories: entertainment, quantum physics

When it comes to materials for quantum sensors, diamond is the best game in town, says Cornell University professor Gregory Fuchs. Now he and a team of scientists have upped diamond’s game by generating exquisite imagery of diamond undergoing microscopic vibrations.

Aug 8, 2024

Glimpse into the nanoworld: Microscope reveals tiniest cell processes

Posted by in category: biotech/medical

What does the inside of a cell really look like? In the past, standard microscopes were limited in how well they could answer this question. Now, researchers from the Universities of Göttingen and Oxford, in collaboration with the University Medical Center Göttingen (UMG), have succeeded in developing a microscope with resolutions better than five nanometers (five billionths of a meter). This is roughly equivalent to the width of a hair split into 10,000 strands. Their new method was published in Nature Photonics.

Aug 8, 2024

Lasers deliver powerful shocking punch in material experiments

Posted by in category: materials

Shock experiments are widely used to understand the mechanical and electronic properties of matter under extreme conditions, like planetary impacts by meteorites. However, after the shock occurs, a clear description of the post-shock thermal state and its impacts on material properties is still lacking.

Aug 8, 2024

Hidden harmonies: Team discovers magnon–phonon Fermi resonance in an antiferromagnet

Posted by in categories: computing, materials

Soon, data storage centers are expected to consume almost 10% of the world’s energy generation. This increase is, among other things, due to intrinsic limitations of the materials used—ferromagnets. Consequently, this problem has ignited a quest for faster and more energy-efficient materials.

Aug 8, 2024

After AI, quantum computing eyes its ‘Sputnik’ moment

Posted by in categories: quantum physics, robotics/AI

“Quantum computing is not going to be just slightly better than the previous computer, it’s going to be a huge step forward,” he said.

His company produces the world’s first dedicated quantum decoder chip, which detects and corrects the errors currently holding the technology back.

Building devices “that live up to the technology’s incredible promise requires a massive step change in scale and reliability, and that requires reliable error correction schemes”, explained John Martinis, former quantum computing lead at Google Quantum AI.

Aug 8, 2024

Coupling excitons to polaritons for better solar cells and higher intensity LEDs

Posted by in categories: computing, solar power, sustainability

In solar cells and light-emitting diodes, maintaining the excited state kinetics of molecules against annihilation is a race against time. These systems need to strike a careful balance between different processes that lead to loss of energy and those that lead to the desired outcome.

Aug 8, 2024

“Missing Link” Uncovered: The Secret History of Corn Revealed Through RNA

Posted by in categories: biological, food, genetics

Researchers at Cold Spring Harbor Laboratory have traced the domestication of maize back to its origins 9,000 years ago, highlighting its crossbreeding with teosinte mexicana for cold adaptability.

The discovery of a genetic mechanism known as Teosinte Pollen Drive by Professor Rob Martienssen provides a critical link in understanding maize’s rapid adaptation and distribution across America, shedding light on evolutionary processes and potential agricultural applications.

Cold Spring Harbor Laboratory (CSHL) scientists have begun to unravel a mystery millennia in the making. Our story begins 9,000 years ago. It was then that maize was first domesticated in the Mexican lowlands. Some 5,000 years later, the crop crossed with a species from the Mexican highlands called teosinte mexicana. This resulted in cold adaptability. From here, corn spread across the continent, giving rise to the vegetable that is now such a big part of our diets. But how did it adapt so quickly? What biological mechanisms allowed the highland crop’s traits to take hold? Today, a potential answer emerges.

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