The paper clip is one of the few objects in daily use that is genuinely anonymous. The shape everybody pictures - the double oval of bent wire - is called…
Source: Wikimedia Commons
The tin can was patented in 1810. The first practical can opener appeared in the late 1850s. For most of fifty years, people bought food sealed in metal…
Everybody who has ever assembled furniture has had a cross-head screwdriver ride up and out of the screw, chewing the head on the way. It is one of the most…
Pick up a die. Look at the top face and the bottom face together. They add to seven.
Turn it. Any pair of opposite faces adds to seven - one…
Every deck of cards has one card that does not match the others. The ace of spades carries an elaborate design - a large decorated spade, frequently the manufacturer's name,…
The Egg Carton Was Invented to Settle an Argument Between a Hotel Owner and a Farmer About Breakages
The egg carton is one of the most effective pieces of packaging ever designed, and almost nobody looks at it. It protects something with no structural redundancy whatsoever, costs a…