Here’s why the F and J keys on keyboards have bumps on them

When typing on a keyboard, whether on a laptop or PC, you will come across small peculiarities – for example, the bumps on certain keys. But what purpose do these small bumps actually fulfil?

These elevations serve a very practical purpose: they help you to find the keys and type blind. This technique, also known as blind typing or ten-finger typing, allows you to type faster and more accurately without having to look at the keyboard. It is based on feeling and muscle memory, which allows...