Electron paramagnetic resonance

Why can't we see the invisible dance of electrons?

Imagine you're trying to tune into a radio station but can't hear the music; it's like trying to listen to a song when there's static.

Electron spin resonance (ESR) is like tuning into a hidden radio station for electrons. It's a way to 'hear' the unique signals they emit when they're spinning and interacting with magnetic fields. The technique helps scientists 'listen in' on the electrons' dance, revealing their secrets.

Example

Just as you might adjust the dial to get a clearer signal on your radio, scientists adjust the magnetic field to get a clearer signal from the electrons.

Remember this

Electron spin resonance (ESR) lets us 'hear' the unique signals from electrons, revealing their secrets in a magnetic field.

Text adapted from Wikipedia, licensed under CC BY-SA 4.0.

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