“This is not a spring. Not really.
To an engineer, it’s a mechanical accumulator. To a mathematician, it’s a helix parameterized in three dimensions. But to a physicist? It’s a liar . julien bobroff youtube
The Object Before the Equation Tone: Curious, hands-on, slightly mischievous, warm but precise. (Visual: Julien stands in a workshop or lab. No white coat. On the table in front of him: a strange, oversized object—maybe a giant slinky, a tank of ferrofluid, or a wooden model of a magnetic field.) “This is not a spring