The fundamental constraint is that ink is either present or absent. Everything printers have done for a century and a half is a way of simulating tones that the process…
The whole subject rests on a single exchange: turn something slower and you turn it harder, in precise proportion. Nothing is gained and nothing is free. Here are fourteen consequences.…
White and yolk are not two parts of one thing. They are separate materials with different compositions that behave differently under heat, which is why an egg can be cooked…
There is a useful way of framing biological questions that makes familiar things strange, and sleep is the clearest case.
The framing is to ask what a trait costs, and…
Source: Wikipedia
There is a systematic bias in what the past leaves behind, and it favours hard things.
Bone, shell, wood and teeth survive burial. Skin, muscle, hair, feathers, membranes and…
There is a problem in measurement that comes up whenever something matters and cannot be instrumented reliably.
The problem is that a quantity may be important, variable and consequential while…