In this follow-up Reddit post he discusses the fabrication techniques used for the acrylic circular slide rule shown in the lead photo. It’s always been possible to make your own slide rules ...

Grainy VHS video footage posted online shows people emerging from the tight, circular loop during test runs on the short-lived slide ... Riders are enclosed inside an aluminum alloy-framed ...

Around here we mostly enjoy slide rules. We even have our own collections including some cylindrical and circular ones. But [Mathologer] discusses a recent Reddit post that explains a circular ...