Partially-bicycle-powered espresso maker

This is a partially-bicycle-driven espresso maker and coffee vending cart called a velopresso. The prototype is on display at Conway Hall in London. The inventors describe it lovingly, in the engineering sense: Rear-steering and front-wheel drive give a very tight turning circle and optimal transmission arrangement. The transmission incorporates both roller-chains and belt-drives and a […]

Cutting Off the Nose to Save the Penis

A provocative study, from the American midwest, about safety: “Cutting Off the Nose to Save the Penis,” Steven M. Schrader, Michael J. Breitenstein, and Brian D. Lowe, Journal of Sexual Medicine, vol. 5, no. 8, 2008, pp. 1932–40. The authors, at the National Institute for Occupational Safety and Health, Cincinnati, Ohio, report [AIR 15:5]: “The […]