London to Barcelona by Train

Kitty and I took the train from London to Paris, and from Paris to Barcelona.

date

2015-12-23

path on GitHub

https://github.com/davepinch/pinchy.cc/blob/master/content/posts/2015/2015-12-23-london-to-barcelona-by-train.md

pdf

content/posts/2015/2015-12-23-london-to-barcelona-by-train/2015-12-23-london-to-barcelona-by-train-tickets.pdf

random

Radius (Wikipedia) In classical geometry, a radius (pl.: radii or radiuses) of a circle or sphere is any of the line segments from its center to its perimeter, and in more modern usage, it is also their length. The name comes from the Latin radius, meaning ray but also the spoke of a chariot wheel. The typical abbreviation and mathematical variable name for radius is R or r. By extension, the diameter D is defined as twice the radius

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