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Borosilicate Glass

2 GoKawiil briefs on this topic

Rorra launches $249 stainless-steel water pitcher after two-year development

Startup Rorra, founded by Brian Keller and Charlie Carlisle, has released a $249 water filtration pitcher made of borosilicate glass and stainless steel, using technology from its countertop filtration system. The founders spent nearly two years developing the company before recording their first sale, and say Rorra generated eight-figure revenue in its first year.

Hobbyist Documents Custom Vacuum Diode Build for Make: Magazine Feature

An amateur vacuum tube maker built a second diode tube specifically to document the process for a Make: Magazine article after his original tube, made hastily before Hackaday Superconference 2022, lacked good process photos. The piece, published in Make: Volume 86, details the tricky pinch-seal technique using Tungsten wire welded to Nickel pins and coated with oxide to bond glass and metal in a vacuum-tight seal.