Answer — 1/1000th.
Learn more
https://www.cnn.com/videos/business/2018/12/18/mit-nanosize-technology-es-vpx.cnn/video/playlists/atv-trending-videos/
Autism and Coding
Great idea to include anyone who is interested in coding.
https://www.disabilityscoop.com/2018/12/05/programs-teaching-autism-code/25785/