Search results for electromagnetic fields

Analytical Chemistry Nov 26, 2025

Eco-friendly method detects trace illicit drugs on surfaces in just 5 minutes

The research group FQM-215—Affordable and Sustainable Sample Preparation at the University of Córdoba has developed a method that is not only faster and easier to perform but also more environmentally sustainable. It can ...

Nanophysics Nov 24, 2025

Sloshing ferrofluids harness vibration energy: A new spin on powering tomorrow's wearables and IoT

Modern devices, from fitness trackers and smart garments to Internet of Things (IoT) sensors, require compact and sustainable power sources. In new research published in Scientific Reports, scientists present an energy harvester ...

Optics & Photonics Nov 20, 2025

Bright squeezed vacuum reveals hidden quantum effects in strong-field physics

In a new study published in Nature Physics, researchers have demonstrated that quantum light, particularly bright squeezed vacuum (BSV), can drive strong-field photoemission at metal needle tips.

Superconductivity Nov 19, 2025

Surface-only superconductor is the strangest of its kind

Something strange goes on inside the material platinum-bismuth-two (PtBi₂). A new study by researchers at IFW Dresden and the Cluster of Excellence ct.qmat demonstrates that while PtBi₂ may look like a typical shiny gray ...

Earth Sciences Nov 10, 2025

Project boosts ethically responsible exploration of critical raw materials

Mining is a controversial topic: On one hand, we need raw materials such as copper for the transition to climate-friendly technologies, but on the other hand, exploration and raw material extraction are primarily associated ...

Superconductivity Nov 6, 2025

How quantum computers can aid the search for room-temperature superconductors

For the first time, a quantum computer has successfully measured pairing correlations (quantum signals that show electrons teaming up in pairs), which is essential to helping scientists find one of the holy grails of physics—superconductors ...

Optics & Photonics Oct 29, 2025

Bridging light, microwaves and electrons for precision calibration

EPFL researchers have developed a method to calibrate electron spectrometers with extreme accuracy by linking microwave, optical, and free-electron frequencies.

Cell & Microbiology Oct 24, 2025

Electromagnetic device identifies cells by seeing how high they levitate

It looks like a magic trick: Cells at the bottom of a liquid medium begin levitating, then hovering at a particular height. With no physical contact, an invisible force directs certain cells to float up or down in unison, ...

Materials Science Oct 14, 2025

Nacre-inspired composites combine strength, color control and wave transparency

Modern industry requires multi-dimensional performance design of protective structural materials. In nature, many organisms maintain the mechanical strength required for defense and achieve camouflage effects at the same ...

Planetary Sciences Oct 13, 2025

Swarm reveals growing weak spot in Earth's magnetic field

Using 11 years of magnetic field measurements from the European Space Agency's Swarm satellite constellation, scientists have discovered that the weak region in Earth's magnetic field over the South Atlantic—known as the ...

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