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Hi, can someone explain to my small brain what reaction this is or what happened? ( imgur.com )

When I was cleaning a heatsink from an older laptop, the aluminum, and I think also a bit of copper, started to disintegrate very quickly and sometimes violently. I used a cleaning solution that was made for removing thermal paste and cleaning CPUs and PCBs. After some time, the only thing left of the heatsink was some grey...

Epoxy takes a while ( imgur.com )

I’m almost wrapped up with filling voids, bark inclusions, and knot holes in the boards for the bookcase. If our garage was climate controlled I expect this process would have gone faster; the same could be said if I had more horizontal working space for staging and filling. Once everything is done curing I should be able to...

My first Nakaya ( imgur.com )

These are photos from when I first took delivery of my Nakaya, an aka tamenuri (red urushi lacquer) Neo-Standard, from back in 2016. The nib was an SF with added flex cuts, and though it ran dry fairly quick, when it was primed it wrote in an almost brush-like manner. It was very unique, but difficult to use every day, which is...

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