Category Archives: Measure

Ketchup Calculus

Recently Heinz announced they have reformulated their tomato ketchup with about 15% less salt. Because they hold six tenths of the ketchup market, and because their recipe has not changed in nearly 40 years, this must have been a hard decision to make. They probably predicted some negative reactions. Why did they proceed?

Heinz altered their flagship product under pressure from politicians, but not yet under force of law. Here is an oversimplified economical argument for reformulating ketchup with less salt. Continue reading Ketchup Calculus

Feline Amplifier

A tiny motion induced in a cat’s epidermis, or an even smaller vibration induced in its eardrum, will produce a reflexive reaction in the cat’s nervous system and that in turn will be amplified into muscular contractions involving a quantity of energy several orders of magnitude larger than the energy of the input. The reaction manifests every time the stimulus impinges on a living cat. The magnitude of any single reaction is the result of an unknown function ranging from barely perceptible up to the maximum muscular exertion threshold of the cat. An effective amplifier would be rated according to the accuracy of the system, measured by the span of time required to achieve certainty of the correctness of any output for a given input, and the simplicity of the system, measured by the number of cats involved.