Anybody over a certain age remembers the ring pull coming away in their hand - a small aluminium ring with a sharp tongue attached, which had to be put somewhere,…
Pull the hook on the end of a tape measure and it moves. Push it and it moves back. The rivets that hold it on sit in slots rather than…
Walk through an airport, a cinema or a hotel almost anywhere in the world and the exit is marked by a green panel showing a running figure heading through a…
Stand in front of a bookshelf in an English-speaking country and tilt your head to the right to read the spines. The titles run downward, from the top of the…
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,…