Nearly every effect below comes from one of three things: a curved surface that guides sound, a shape that focuses it, or a surface that refuses to reflect it at…
A compass needle points north. Almost everyone knows this and almost nobody knows what it means.
It does not point at the North Pole. The geographic North Pole is a…
Source: Wikipedia
Palaeolithic cave art is among the most extraordinary things humans have left behind, and it presents a problem that almost no other heritage site does: the act of looking…
What distinguishes these from a street of shops is that somebody built a roof over the whole thing on purpose, and then trade organised itself underneath. Here are seventeen.
1.…
Two variables define everything below: temperature, which determines whether the food is cooked or merely flavoured, and time, which determines how deep the effect goes. Here are fifteen.
1. Smoked…
What makes a single tree worth a journey is usually one of four things: extreme age, extreme size, an extraordinary shape, or standing somewhere nothing should. Here are sixteen.
1.…