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LEDs and Lighting Class
i really like this instructable... thinking of putting a 90 degree elbow on the bottom of the light box to attach to the wall electrical box... wondering if the mineral oil might be a better substitute than water for the liquid ... (to avoid evaporation ) but wonder if this might violate fire codes...(how do Christmas bubblers work in a sealed glass construct) hmmm got a lot of thinking/research to do on this... thanks for the ideas!!!
3D Printing Class
nice "ible" .... just to add to it a small impart... you can purchase corks make of rubber with a pre-made hole for an airlock ... i use such a device on a beer bottle to harvest yeast from certain beers that use a triple fermentation process ....instead of tossing out the yeast in the bottom of a bottle i save it and blend it with other yeasts to harvest unique yeasts for my own beers... adding soluble sugars ie dextrose, to the salvaged yeast to make more yeast...( i once added yeast to a cola .... not very good... but keep experimenting... that is how we learn..
How to build a 72 Volt Electric Vehicle – Car / Jeep