Using the radioactive decay present in a banana to generate random numbers. Even if you don't appreciate the math/code/hardware behind it, you can appreciate the aesthetic of this Arduino-based generator and banana holder.

Quick explanation:

More complex (including code and math/probability), from the developer:

@ckeen That's hilarious – the pun and the implementation!

@erinbee @ckeen someday all our computer components will be replaced with food

@erinbee i appreciate that this is apparently filed under "productivity"

@june I'm always more productive when I can generate a random number and not even have to leave my desk to get a snack. Lifehack!

_munches on banana… tastes like 995742665!_

@erinbee ok but how many banana equivalent doses will I get from this apparatus

@erinbee this is one of the easier products when it comes to judging its size from photos. Also hell of a cool project

@erinbee Very cool! A good thing 40K has such a long half-life of 1.25 bn years, so the operation of the BRNG isn’t limited by that, only by the life time of the banana. As the banana in the picture looks nearly ripe enough for eating, it is a good thing it is renewable resource. :–)

@erinbee @nschultz I absolutely love this. Not familiar with this tube, so must investigate! I was wondering if it used an SBM20.

I have a concept of an "atomic clock" using a home made stepper motor, all in clear acrylic, driving a single hand, based on clicks fromna GM tube.

@grumpysmiffy @erinbee can’t remember why bananas are particularly prone to nuclear decay; I shall look it up later…

@erinbee Following the links lead to even more fantastic science projects!
> calculation of pi with the Monte Carlo method 😂

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