The first computer mouse, invented by Douglas Engelbart in 1964, was carved out of wood.
Why it is true
This primitive device, called an 'X-Y position indicator for a display system', had a single button and two metal wheels at the base to detect movement.
Source: Smithsonian
Would you rather be asked first?
This is the reading side of the site, so the answer is in the sentence above — that is the whole point of it. Test yourself works the other way round: the question comes on its own, and the fact and the explanation only appear once you have answered.
Related facts
Technology
The first computer bug was an actual real-life moth found trapped in a computer relay in 1947.
Technology
The Apollo 11 computer was less powerful than a modern calculator.
Technology
CSIRAC, Australia's first computer, still works and could help with quantum computing.
Technology
The first electronic computer, ENIAC, weighed about 30 tonnes.
