There is a category error built into the way most people look at a shallow sea.
Everything green underwater gets filed as seaweed, and seaweed is algae — a fundamentally…
The useful way to look at any blade is as a solution to a specific material. Something dense, something soft, something with skin, something that must not be crushed -…
The thing worth understanding first is that a rope is not a long thing. It is an enormous number of short things arranged so that pulling on the assembly squeezes…
The useful way to think about any bond is as a chain with three links - surface, adhesive, surface - and a chain fails at whichever link is weakest. Here…
There is an enormous quantity of food on this planet that almost nothing can eat.
Cellulose makes up the structural walls of plant cells, which means it constitutes the bulk…
Tides are usually explained by the moon, and that explanation is correct and incomplete.
The moon's pull produces a tidal range in the open ocean of roughly a metre. That…