Matt Parker and a team of Domino Computer Builders balanced over 10,000 dominoes in a carefully designed circuit. The result was a Domino Computer capable of automatically adding numbers. It can take any two four-digit binary numbers and return the five-digit binary sum.

Its a computer, made of dominoes.

Watch the Numberphile where Matt explains more of the maths: youtu.be/lNuPy-r1GuQ
As well as the secret Numberphile bonus interview: youtu.be/rEw2hE8ZRlY

There are free worksheets and teaching resources about binary numbers and logic gates here:
think-maths.co.uk/downloads/domino-computer-worksheets

Computer design:
Matt Parker, Katie Steckles, Paul Taylor, Andrew Taylor, Siân Fryer

Builders:
Ben Curtis, Becky Smedley, Mike Bell, Blair Lavelle, Andrew Pontzen, Jonathan Sanderson, Elin Roberts, Chris Roberts, Ben Ashforth, Gillian Kiernan, David Julyan

Thanks to Marieke Navin, Natalie Ireland, Nicola Frost and everyone at the Museum of Science and Industry who made this possible. www.mosi.org.uk/

Huge thanks to Jonathan Sanderson at StoryCog for making the video. storycog.com/