We use the keyboard to write using a computer. Pressing the letters types the word we want to use. Pressing the spacebar adds a space. Then we can type our next word. When we start a new sentence ...

Have you ever wondered why the letters on your computer or laptop keyboard are placed in such a random manner? Why do we get ...

Tsubasa Yumura, a computer science researcher in Japan, rigged up a keyboard that looks like it launches letters into the computer when they're pressed. It uses a technique called projection mapping.