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  • dddddd commented on SpinEat's instructable Rice Flour Balls With Chocolate4 months ago
    Rice Flour Balls With Chocolate

    This is very different from a mochi recipe I've used: no sugar in the rice flour, and cooking after forming the balls, rather than before.It looks easier, for sure.

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  • dddddd commented on Jts37's instructable Storm Glass5 months ago
    Storm Glass

    Excellent, educational build. I've always wondered what was in these Storm Glasses, and I've always thought they were pretty. The crystals are indeed camphor. I think the salts are there to inhibit mold growth.I note that the 40 ml ethanol 33 ml water comes out to 108 proof. I can get Absolute 100 proof vodka, and I can get 150 proof Everclear, which is where I think I would start, since I am all about the Cheapness. I suspect that you cook off a significant portion of the ethanol during heating.

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  • Making Fused Glass Jewelry in a Microwave Kiln

    Wonderful! I had no idea people were making microwave kilns. I've fused glass in a big old electric kiln, and this looks really convenient. Thank-you very much.The reason you got uneven melting is because glass doesn't really heat well in a microwave until it starts to soften, and you weren't in the oven quite long enough to get the whole piece soft. There are some terrific youtube videos of beer bottles in microwaves, where a single small spot turns red hot, which rapidly spreads over the entire bottle.If you were to apply microwaves intermittently, and let the glass "rest" a little between applications, you could allow the glass that is hot to heat up the glass that isn't hot enough yet (by both conduction and radiation). That way, you wouldn't just liquefy one part of your ...

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    Wonderful! I had no idea people were making microwave kilns. I've fused glass in a big old electric kiln, and this looks really convenient. Thank-you very much.The reason you got uneven melting is because glass doesn't really heat well in a microwave until it starts to soften, and you weren't in the oven quite long enough to get the whole piece soft. There are some terrific youtube videos of beer bottles in microwaves, where a single small spot turns red hot, which rapidly spreads over the entire bottle.If you were to apply microwaves intermittently, and let the glass "rest" a little between applications, you could allow the glass that is hot to heat up the glass that isn't hot enough yet (by both conduction and radiation). That way, you wouldn't just liquefy one part of your piece while the other side was still stiff.Also, when you cut that kiln paper, do it outside, and then hit the area where you were doing it with a hose or bucket of water. The dust that comes from cutting kiln paper is very fine, and can cause silicosis and cancer. Read the Material Safety Data Sheets for ceramic paper, which you can find here: http://www.ceramaterials.com/msdssheets.htmlWorking with fused glass is really interesting, and these little microwave kilns will open it up to a lot more people.

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  • dddddd commented on ClanMan's instructable Solar Water Heater for Pool1 year ago
    Solar Water Heater for Pool

    Cheap and fast. It's amazing how high energy costs make solar energy attractive.That ABS pipe is foam-core. It's probably not much a problem, but solid pipe, like PVC, would give you a better watts per square meter per second heating rate. ABS is also not rated for any kind of pressure (it's DWV, Drain Waste Vent pipe). PVC, perhaps painted black, probably would have been a better choice. There's a temperature derating, too, and it's possible that the water in your ABS is reaching a hundred fahrenheit.Keep an eye out for pipe rupture in the future, on hot days. You might put a cheap pressure switch on that length of pipe, so if you crack it you won't pump you pool out onto your roof.

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