Media Summary: I made this with my friend Richard (he was in the first part of the video) in 2019 using his This adding machine is the first one where you can place multiple balls at once to make a Lepton's entry into the Google Science Fair; The Mechanical
4 Bit Knex Binary Adder - Detailed Analysis & Overview
I made this with my friend Richard (he was in the first part of the video) in 2019 using his This adding machine is the first one where you can place multiple balls at once to make a Lepton's entry into the Google Science Fair; The Mechanical This is the binary adding machine I once built out of