There is a container that solves several problems at once, which is why it lasted for two thousand years and why nothing replaced it until very recently.
The problems are…
There is a way of making things that works from the inside out, and it produces shapes no other method can.
Almost every other approach is subtractive or formative: material…
There is a useful test of how hard something is to make: look at what people did before they had it.
Before metal needles, sewing was done with points made…
There is a tool so ordinary that almost nobody has considered how it works, and the answer turns out to be more particular than expected.
The obvious model is a…
There is a common assumption that sealing a letter was about privacy, and it misses what the object was for.
A seal provides no privacy whatsoever. Anybody determined to read…
There is a description of this process that everybody learns and that understates it substantially.
The description is that a tadpole grows legs, loses its tail and becomes a frog…