Flowery polymorphic perversion / Screwing up / Plant on meat

This week’s Feedback column (that I write) in New Scientist magazine has three segments. Here are bits of each of them: Flowery polymorphic perversion — … Grażyna Gajewska at Adam Mickiewicz University in Poland is one of the few academics who is now overtly studying polymorphic perversion on a broad, societal level. Her recent treatise “Polymorphic perversion […]

Distinguishing Bolts from Screws

A classic book: Distinguishing Bolts from Screws, U.S. Customs and Border Protection, March 2006. [AIR 16:2] This 21-page book presents both technical specifications and common sense advice, such as: U.S. Customs and Border Protection uses fastener industry standards to distinguish bolts from screws. When a fastener is described in a fastener industry dimensional standard as […]