International Desk : Three scientists Pierre Agostini, Ferenc Krausz and Anne L'Huillier won the 2023 Nobel Prize in Physics this year. They created a ground-breaking technique using lasers to understand the extremely rapid movements of electrons that were previously thought impossible to follow.

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The Nobel committee said on Tuesday Pierre Agostini, Ferenc Krausz and Anne L'Huillier "demonstrated a way to create extremely short pulses of light that can be used to measure the rapid processes in which electrons move or change energy.

It praised the laureates for giving "humanity new tools for exploring the world of electrons inside atoms and molecules."

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The committee said the movements of electrons inside atoms and molecules are so rapid that they are measured in attoseconds – an almost incomprehensibly short unit of time. "An attosecond is to one second as one second is to the age of the universe."

These movements "happen so quickly that normally we have no idea how they actually occur or what the sequence of events is," said Rosner. But the laureates' work means scientists can now observe how these movements happen, he added.

Sun News/MR

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