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Quantum Physics Jul 23, 2025

Quantum tool could lead to gamma-ray lasers and access the multiverse

A University of Colorado Denver engineer is on the cusp of giving scientists a new tool that can help them turn sci-fi into reality.

Bio & Medicine Jul 1, 2025

Manipulation of light at the nanoscale helps advance biosensing

Traditional medical tests often require clinical samples to be sent off-site for analysis in a time-intensive and expensive process. Point-of-care diagnostics are instead low-cost, easy-to-use, and rapid tests performed at ...

Nanophysics Jun 30, 2025

Engineering nano-clouds that can change color, temperature and outwit heat sensors

How does a cloud stay cool under direct sunlight—or seem to vanish in infrared? In nature, phenomena like white cumulus clouds, gray storm systems, and even the hollow hairs of polar bears offer remarkable lessons in balancing ...

Optics & Photonics Jun 26, 2025

Scientists build first self-illuminating biosensor

Optical biosensors use light waves as a probe to detect molecules, and are essential for precise medical diagnostics, personalized medicine, and environmental monitoring.

Optics & Photonics May 23, 2025

Upgraded design enables blue OLEDs to match green OLEDs in efficiency and lifespan

Blue phosphorescent OLEDs can now last as long as the green phosphorescent OLEDs already in devices, University of Michigan researchers have demonstrated, paving the way for further improving the energy efficiency of OLED ...

Nanophysics May 21, 2025

Single-molecule spectroscopy reveals isotope effect in hydrogen confined to picocavities

An international research team has successfully achieved single-molecule spectroscopic observation of hydrogen (H2) and deuterium (D2) confined within a picocavity. The picocavity was formed between a silver nanotip and a ...

Nanophysics May 21, 2025

Flat optical metasurfaces in conductive plastics achieve 10-fold performance boost

By carefully placing nanostructures on a flat surface, researchers at Linköping University, Sweden, have significantly improved the performance of so-called optical metasurfaces in conductive plastics. This is a major step ...

Nanophysics May 20, 2025

From thin to bulk: Affordable, brighter and faster scanning with high-energy radiation sources

Imagine a medical scanner that works faster and produces clearer images, or a radiation detector that pinpoints tiny traces of radioactive material with unprecedented accuracy. These futuristic possibilities are a step closer ...

General Physics May 19, 2025

Small-scale laser systems enable high energy proton accelerator on a table-top

Laser ion acceleration uses intense laser flashes to heat electrons of a solid to enormous temperatures and propel these charged particles to extreme speeds. These have recently gained traction for applications in selectively ...

Bio & Medicine May 13, 2025

Biosensor uses pH-responsive DNA nanoswitches for highly sensitive bladder cancer detection in urine

A study published in ACS Nano presents a novel biosensor for the isothermal, highly sensitive detection of bladder cancer biomarkers—miRNAs, short non-coding RNAs that regulate gene expression—using programmable pH-responsive ...

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