Macroscopic superpositions. . .

. . .are surprisingly common in transport systems:

101 uses for a copy of Nielsen and Chuang

OK, well, only 2 so far, but gotta start somewhere! Contributions gratefully received...

21st March 2006, Todai, Tokyo, Japan (Thanks Shash!)

14th April 2009, Bristol, UK

Revision: 1st November 2018