experiments

555 

VCC -> R1 near of GND -> R2 near of VCC -> GND

xD

(graphite and iodine)

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fishing line impregnated with graphite & iodine (alcohol & graphite before)

All is skin effect

sand dipped in sunflower oil.
one hole for embers and another to add more oil

:D

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UPDATE

now go up to $700

mist maker fogger and compressed air to use as drill coolant.

This is a test with water. I'm need air extractor and carbon active filter too because coolant is extremaly aggresive with environment. Condensation after filter and store this result liquid to finally make natural evaporation

my firsts walking the cups :D

10/24/21