Topic
Records
2 articles
History of science
Why is a keyboard in QWERTY order?
The letters on every phone and laptop are arranged in an order chosen for a machine nobody has used for fifty years. The famous explanation is that it was designed to slow typists down, and that is not what happened.
Mathematics
Why can’t you fold a piece of paper more than seven times?
Everyone gets stuck at six or seven folds, and fetching a bigger sheet barely helps. The reason has almost nothing to do with how strong your hands are.