Marble Binary Adder

A calculator using a marble binary system.

Marble binary adder.

Daily dosage subscribe unsubscribe 684. How to science tech. B saying a digital binary ripple adder is analog seems almost exactly wrong. The first 2 days are for dedicated workshops with groups from various schools.

If there is one marble. For maximum marble action add 63 111111 in binary to 63. A full adder is normally made of two half adder and one or gate. It can be made from primative materials but the adder is hardly primative.

Matthias wandel built a beautiful 6 digit binary computer out of wood. Binary marble adding machine way back when i built my marble machine one i incorporated a few logic like elements in it including several divide by two mechanisms as well as a complicated and slightly unreliable divide by 6 mechanism. Adder binary copper marble adder science festival. This means interpreting the leftmost bit as the positive or negative sign and flipping all the other bits to convert from positive to negative.

It is very neat. If you want to build one he even gives you some more information and instructions plus the plans. It is split into 2 parts. Make it fall in the first.

It had occurred to me that perhaps with an insane amount of perseverance it might be possible to build a whole computer that runs on marbles. C it is not accurate to say a simple ripple adder is a computer. A calculator using a marble binary system. In common term the full adder is the same as a half adder apart that if there is a third marble then it should fall in the 1 path.

Since today 11 11 11 is the last 6 digit binary date this century i thought we should look at some kinetic binary calculators. A fun waste of champagne. Wood based marble calculators invention invent. Every 2 years the science festival invites to bring science to young people.

A the first patent for a marble powered ripple adder 3 006 082 was issued in 1961. It s also fun to use the adder for subtraction and negative numbers by using the two s complements of numbers.