Singlet vs triplet states
We begin by sketching out a Jablonski diagram containing singlet (S) and triplet (T) states. ■ We discuss the "approximate" meaning of singlet and triplet, and then delve into the quantum mechanics of spin to examine more closely the triplet state.

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A Jablonski diagram for fluorescence

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8.16-Singlet Triplet States

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We finally understood orbital shapes intuitively! (My mind is blown)

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The biggest misconception about spin 1/2

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The most beautiful formula not enough people understand

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Electrons DO NOT Spin

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2.6 Energy Differences Between Singlet and Triplet States

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Something Strange Happens When You Trust Quantum Mechanics

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I never understood why electrons have spin... until now!

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There’s a Problem with Quantum Mechanics – with Jim Al-Khalili

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Fluorescence

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Bell's Theorem, a Glitch in Reality

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The Hardest Questions in Physics | World Science Festival

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What is Quantum Mechanical Spin?

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Spinors for Beginners 4: Quantum Spin States (Stern-Gerlach Experiment)

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Quantum Spin: Triplet and Singlet states

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Quantum Spin - Visualizing the physics and mathematics

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Weird Things Happen When Energy Goes Negative

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Exploring New Worlds with Quantum Diamonds – Ron Walsworth

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