> Can anyone name a few household/cheap easily acquired things > made out of (preferably) pure aluminum that can be melted? Flat heatsinks from scrapped PC PSUs, particularly the stand- up variety for diodes and transistors. The extruded anodised ones for chassis mount tend to be harder and I'm guessing have a higher MP Joe --=20 http://www.piclist.com/techref/piclist PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist .