Some ideas for shaping the crown of knit hats.

"He was 70 when he appeared on the cover of The Chessmaster 2000, and that same image was used on Chessmaster games for the next 16 years. A professional actor to the very end, Hare passed away in 1997, not in a hospital but on stage, during a rehearsal at Manhattan's famous Actor's Studio"

Doug Ford's classic 2009 article on how oscilloscope probes work including how 10x probes use lossy coax to improve frequency response.