Mobile-optimized web tools for amateur telescope makers - spherometer calculators, sine table generator, and hyperbolic mirror conic calculations| Lucas Sifoni
Another attempt at the blog exercise| Lucas Sifoni
ATM-Buddy gets a spray-silvering calculator.| Lucas Sifoni
Browser-based tool to generate SVG zone plates and megapinholes for experimental photography - tested with Canon EOS 550D and ready for imagesetting| Lucas Sifoni