The year was 1923. Debye and Hückel had a beautiful theory—for still ions. But the world runs on moving ions: batteries, nerves, the salt in your blood. Their equation failed for real solutions. It was like having a map of a city with no roads.
“The salmon is your ion. The little fish are the ionic atmosphere. The equation tells you how much current is lost to the chaos.” debye-huckel-onsager equation ppt
“As our celebrity ion tries to move under an applied electric field,” she continued, warming to her narrative, “the swarm doesn’t move instantly. It lags behind. The crowd has to ‘relax’ and reform ahead of the star. This creates an asymmetric tug-of-war. A retarding force. That’s the ‘A’ in the equation.” The year was 1923
She clicked to the next bullet point.