This analog computer can multiply, divide, square numbers, and find square roots. It has a maximum result of ten billion with an average precision of 2-3%. [Miroslav’s] build recreates something he ...

Case mods aren’t usually enough to make Hack-A-Day, but we all drooled a bit when the Dark Blade started back in 2004. Now, it’s finally finished. Everything on the case was custom machined just for ...