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General Physics Jun 9, 2016

Tunneling ionization helps scientists to track ultrafast changes in molecules

Using tunneling ionization and ultrashort laser pulses, scientists have observed the changes that take place in the structure of a molecule within billionths of a billionth of a second when excited by an electron impact.

Optics & Photonics May 10, 2024

Team observes two distinct holographic patterns with ultrafast imaging

A team of scientists led by Professor Dong Eon Kim at the Pohang University of Science and Technology and Professor X. Lai at the Innovation Academy for Precision Measurement Science and Technology has achieved a breakthrough ...

Cell & Microbiology Jun 23, 2023

Deep learning and holographic imaging accelerate the detection and quantification of viral plaques

Viral infections have challenged humanity for centuries. Even with progressive scientific advancements, the struggle against viruses continues, as exemplified by the recent COVID-19 pandemic. In the fight against these viral ...

Quantum Physics Mar 31, 2023

Seeing is more than believing: Exploring 'de Sitter space' to explain gravity in the expanding early universe

Having more tools helps; having the right tools is better. Utilizing multiple dimensions may simplify difficult problems—not only in science fiction but also in physics—and tie together conflicting theories.

General Physics Jul 20, 2022

Using holograms to illuminate de Sitter space

Our understanding of the universe may not be expanding as much as the universe itself. In some cases, our theories about cosmic inflation may feel as if they are deflating into a black hole.

General Physics Aug 14, 2021

Metasurfaces control polarized light at will

For years, researchers at the Harvard John A. Paulson School of Engineering and Applied Sciences (SEAS) have engineered metasurfaces to manipulate light based on its polarization state. That research has contributed to advances ...

Optics & Photonics Jan 29, 2021

High-speed holographic fluorescence microscopy system with submicron resolution

The National Institute of Information and Communications Technology (NICT), Tohoku University, Toin University of Yokohama, and Japan Science and Technology Agency (JST) have succeeded in developing a scanless high-speed ...

Optics & Photonics Mar 26, 2019

Physicists create Star Trek-style holograms

Star Trek's famous holodeck is a virtual reality stage that simulates any object in 3-D as if they were real. However, 3-D holographic projection has never been realized. A team of scientists from Bilkent University, Turkey, ...

Optics & Photonics Jan 9, 2019

Artificial intelligence detects the presence of viruses

Many biosensing applications rely on characterization of specific analytes such as proteins, viruses and bacteria, among many other targets, which can be accomplished by using micro- or nano-scale particles. In such biosensors, ...

General Physics Dec 13, 2018

The secret life of cloud droplets

Do water droplets cluster inside clouds? Researchers confirm two decades of theory with an airborne imaging instrument.

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