Marble Binary Adder

C it is not accurate to say a simple ripple adder is a computer.

Marble binary adder.

It is split into 2 parts. Every 2 years the science festival invites to bring science to young people. Make it fall in the first. How to science tech.

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. It can be made from primative materials but the adder is hardly primative. If there is one marble. A calculator using a marble binary system.

We were really surprised to see that we could make one by modifying only slightly our half adder. 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. It is very neat. Matthias wandel built a beautiful 6 digit binary computer out of wood.

If you want to build one he even gives you some more information and instructions plus the plans. The last 2 days are open to the public. For maximum marble action add 63 111111 in binary to 63. Since today 11 11 11 is the last 6 digit binary date this century i thought we should look at some kinetic binary calculators.

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. It s also fun to use the adder for subtraction and negative numbers by using the two s complements of numbers. A calculator using a marble binary system. B saying a digital binary ripple adder is analog seems almost exactly wrong.

A the first patent for a marble powered ripple adder 3 006 082 was issued in 1961. A full adder is normally made of two half adder and one or gate. It is very neat. A fun waste of champagne.

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