The photoelectric effect, first explained in 1905, transformed our understanding of how light interacts with matter. When ...

This is extremely rare, since nuclear energy levels are usually much higher and out of reach of current lasers. The ability to access a nuclear state with light makes thorium-229 a unique ...

A new blue fluorescent molecule set new top emission efficiencies in both solid and liquid states, according to a University ...

A new method in electron microscopy enables sub-20-picometer targeting of individual atoms without prior exposure, opening ...

Scientists from AMOLF, in partnership with Delft University of Technology, have pioneered a groundbreaking method for ...

Since it has 1 more electron than protons, chlorine has a charge of –1, making it a negative ion. When ions form, atoms gain or lose electrons until their outer energy level is full. For example, when ...

Once the two ultrashort light pulses are properly synchronized, operators time the electron pulses to help capture atomic events at an attosecond-level temporal resolution.

An electron from a new atom would have to join an atom in the H 2 molecule on the next energy level, further from the nucleus where it would not feel a strong enough attraction. An electron from an ...

We have one quasiparticle from making a gap in one spot in the electron energy level. ... similar to how a photon is a quantum of light - of an electromagnetic wave.

Light from the sun can reach energies of nearly 10 trillion electron volts. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works .