Design
Decisions you only notice when they are wrong.
Design
Why do keyboards use QWERTY?
It was designed around the mechanical constraints of a machine nobody uses any more, and it survived because everyone had already learned it.
5 min read
Design
Why do photos of propellers look bent?
Most digital cameras do not capture the whole image at one instant — they scan it line by line from top to bottom, so anything moving fast is recorded at a slightly different position in every row.
5 min read