Science & Tech Quote by Aaron Klug

Klug’s sentence has the modesty of lab talk and the quiet audacity of a methodological pivot. He frames the achievement as something he “also showed,” a casual add-on that understates what’s really happening: a physicist importing computational thinking into a biochemical problem and, in the process, reshaping what counts as evidence. The object sounds humble - “experimental kinetic curves” for haemoglobin binding CO2 or O2 - but the move is expansive. He’s treating messy biological dynamics as something legible to models, something you can interrogate, replay, and stress-test in silico.

The intent is pragmatic: take time-resolved data and extract rate constants with more rigor than eyeballing plots or relying on simplified analytic approximations. The subtext is sharper. “Simulations in the computer” signals a faith in computation as an interpretive instrument, not just a calculator. You can hear an argument for a new kind of authority: if the model reproduces the curve, you’ve earned the right to talk about mechanisms. Yet that authority comes with a warning embedded in the phrasing “so fit the rate constants.” Fitting is not discovering; it’s negotiating between theory, assumptions, and data.

Context matters: Klug straddled physics and molecular biology at a moment when biology was becoming quantifiable, when computers were starting to function as laboratories of their own. The sentence captures a cultural shift in science - from observing nature to building executable stories about it, then daring the experiment to disagree.