The Fold Most People Assume Is a Mistake
Turn a pillowcase inside out at the open end and you will usually find an extra depth of fabric - a flap,…
The Stripe Everybody Assumes Is Decoration
Most toothbrushes have a block or a stripe of coloured bristles set among the white ones, usually down the centre of the head or…
Source: Wikimedia Commons
The One Rough Part of a Smooth Object
Source: Wikimedia Commons
Turn a plate over and run a finger around the ring it stands on. On most crockery it…
At the bottom front of almost every washing machine there is a small panel - a flap, a hinged cover or a clip-off plate. Behind it is a filter.
Its…
Near the top of most washbasins, and inside most baths, there is a second opening - a slot or a round hole with a chrome cover on it.
Everybody knows…
The mousetrap is the standard example used by patent offices and inventors' organisations when they want to explain that a better idea is not the same thing as a better…