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Short teaching videos made with AI tools. A person checks each one before it's published, including its labels, so you can search by concept rather than guessing the title.

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Square1:55

How a Neuron Fires: The Action Potential

Biology · Intro

Claude Opus 5.5

100 0

action potentialion channelsmembrane potential

…electrical pulses called action potentials. Let's watch one happen. On top is a small patch of a neuron's membrane, with sodium ions in gold…

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Other names for the same idea“grad descent”, “gd” and “gradient descent” reach the same videos. Reviewers add these when they merge two labels.

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