How many robots are there in the world?

There are 8.6 million robots in the world, used for everything from building cars, to helping surgeons save patients, to fun toys like Dash, Dot and Sphero that we'll play with during KCDC Robot Week!

How small have humans made robots?

Microscopic! Researchers have made tiny robots as small as 60 micrometers (about the width of a human hair). That's so small move than 200 of them could line up on a single M&M!

When did people start thinking about human-like robots?

People have designed robots for a long time! Designs of the first human-like machine were drawn up by Leonardo da Vinci in 1495.