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Jul 12, 2024

Belle II experiment reports the first direct measurement of tau-to-light-lepton ratio

Posted by in categories: electronics, particle physics

The Belle II experiment is a large research effort aimed at precisely measuring weak-interaction parameters, studying exotic hadrons (i.e., a class of subatomic particles) and searching for new physical phenomena. This effort primarily relies on the analysis of data collected by the Belle II detector (i.e., a general purpose spectrometer) and delivered by the SuperKEKB, a particle collider, both located at the High Energy Accelerator Research Organization (KEK) in Tsukuba, Japan.

Jul 8, 2024

Programmed multimaterial assembly by synergized 3D printing and freeform laser induction

Posted by in categories: 3D printing, electronics

A freeform multimaterial assembly process (FMAP) is demonstrated, synchronizing laser induction with 3D printing for seamlessly integrating multimaterials into 3D objects, enabling streamlined, flexible, and precise electronic device fabrication.

Jul 7, 2024

Quantum sensors: How does the flow profile affect flow measurements?

Posted by in categories: electronics, quantum physics

Researchers at Fraunhofer IPM have developed a contactless flow measurement method based on magnetic fields. For the first time, they have been able to show the quantitative impact of the flow profile on the magnetic signal. This opens up new possibilities for improving the measurement method.

The results were recently published in the Journal of Applied Physics.

There are many manufacturing processes across various industries where flowing liquids play a key role. Controlling or automating such processes requires reliable data on the rate of the liquids. The -based flow measurement technique developed at Fraunhofer IPM provides accurate flow data without any contact with the liquid.

Jul 4, 2024

Shining a light on oil fields to make them more sustainable

Posted by in categories: electronics, sustainability

One of the most common problems is spills of the salty brine that’s a toxic byproduct of pumping oil. Another is over-or under-pumping that can lead to machine failure and methane leaks. (The oil and gas industry is the largest industrial emitter of methane in the U.S.) Then there are extreme weather events, which range from winter frosts to blazing heat, that can put equipment out of commission for months. One of the wildest problems Sebastien Mannai SM ’14, PhD ’18 has encountered are hogs that pop open oil tanks with their snouts to enjoy on-demand oil baths.

Mannai helps oil field owners detect and respond to these problems while optimizing the operation of their machinery to prevent the issues from occurring in the first place. He is the founder and CEO of Amplified Industries, a company selling oil field monitoring and control tools that help make the industry more efficient and sustainable.

Amplified Industries’ sensors and analytics give oil well operators real-time alerts when things go wrong, allowing them to respond to issues before they become disasters.

Jul 3, 2024

‘Acceleration beats’ shine bright light on a novel universal modulation regime in a semiconductor-based laser

Posted by in categories: electronics, quantum physics

Researchers at the Paul-Drude-Institute for Solid State Electronics (PDI) have observed a novel modulation regime characterized by the emergence of previously unseen “acceleration beats” in a modulated semiconductor-based laser.

As they detail in a paper published today in Nature Communications, the key—and somewhat counterintuitive—feature of this novel regime is the ability to coherently manipulate using modulation periods longer than the coherence time, provided that the modulation amplitude is large enough.

Harmonic modulation of light sources, such as lasers, is the cornerstone of many modern and emergent telecommunications technologies. In this regard, two regimes of modulation are well-known: the adiabatic regime and the non-adiabatic regime.

Jul 3, 2024

Trillionth of a Second Shutter Speed Camera Captures Chaos in Action

Posted by in categories: electronics, materials

To take a picture, the best digital cameras on the market open their shutter for around around one four-thousandths of a second.

To snapshot atomic activity, you’d need a shutter that clicks a lot faster.

With that in mind, scientists have unveiled a way of achieving a shutter speed that’s a mere trillionth of a second, or 250 million times faster than those digital cameras. That makes it capable of capturing something very important in materials science: dynamic disorder.

Jul 2, 2024

Tesla Patents Robotaxi Sanitization System — Reveals How It Will Work

Posted by in category: electronics

Tesla’s new patent reveals an advanced sanitization system for Robotaxis, ensuring clean interiors using sensors, UV light, and HVAC methods.

Jun 25, 2024

Transistors explained – what they are and what they do

Posted by in categories: computing, electronics

Transistors are semiconductor devices that regulate current, amplify signals, and act as switches, forming the foundation of modern electronics.

Jun 24, 2024

Speeding through the microcosm: Insights into ultrafast electron and lattice dynamics

Posted by in categories: electronics, particle physics

A study has unlocked new dimensions in understanding the ultrafast processes of charge and energy transfer at the microscale. The research delves into the dynamics of microscopic particles, providing insights that could revolutionize semiconductor and electronic device development.

Jun 22, 2024

Controlling electronics with light: Ultrafast lasers manipulate magnetite’s structure

Posted by in categories: electronics, materials

Researchers at EPFL have discovered that by shining different wavelengths (colors) of light on a material called magnetite, they can change its state, e.g., making it more or less conducive to electricity. The discovery could lead to new ways of designing new materials for electronics such as memory storage, sensors, and other devices that rely on fast and efficient material responses.

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