In the mid-20th century, physicists could observe atoms, but they couldn't easily control their internal states. Enter Alfred Kastler, a French physicist whose ingenious methods of using light to manipulate atomic energy levels earned him the 1966 Nobel Prize in Physics. Kastler didn't just study light; he taught it to reorganize the structure of matter.
Kastler’s work laid the groundwork for modern atomic clocks, the most precise timekeeping devices known, which are essential for GPS technology. alfred kastler
If this is for a new product, I can also add a feature based on the physical location "4 rue Alfred Kastler" in Nantes, France, which is a center for technical research. To make this feature more relevant, could you tell me: Is this for a (like a tech item, app, or tool)? Or is it a biographical profile or historical article? In the mid-20th century, physicists could observe atoms,
Kastler discovered that by irradiating atoms with specially polarized light, he could push electrons into higher energy levels, effectively "pumping" them into a specific, ordered state. Kastler’s work laid the groundwork for modern atomic