Source: Wikimedia Commons
The American workplace of 1985 looked and sounded completely different from today's. It clattered with typewriters, hummed with fax machines, and ran on paper, lots of paper. Tasks…
Source: Wikipedia
For a child growing up in the 1970s, the bedroom was a personal kingdom, and it came furnished with a very particular set of objects that nearly every kid…
Animal navigation combines several systems at once, which is why removing one rarely stops an animal entirely. Here are seventeen of the tools involved.
1. Reading the Earth's Magnetic Field…
Source: Wikipedia
There is an object in a museum case in London that does something a piece of fourth-century glass has no business doing.
Look at it with the light coming…
Almost nobody looks at a dark night sky and thinks it requires explanation. It is dark because the sun has set, which seems sufficient.
It is not sufficient, and noticing…
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…