Marble Adder 4

Marble Adder
Every 2 years the science festival invites to bring science to young people. It is split into 2 parts. The first 2 days are for dedicated workshops with groups from various schools. The last 2 days are open to the public. Being a bit late with our submission we came up with the nice idea ...

After the Black Adder, the half-adder

Jhemp built this across the space of a week. It’s quite impressive, indeed! This is the basic building block of an adder, itself a subcomponent of the full mechanical calculator we hope to build for the 2011 Science Festival.