Dear Plus readers,
Issue 15 of Plus is online! See
<http://plus.maths.org/>
There are features on stick knots, backgammon, measuring the Milky Way
by looking at its dimension, and Claude Shannon, and all the other
regulars from the puzzle to mathematical news items.
Don't forget to cast your vote in the People's Voice section of the
Webby awards (http://www.webbyawards.com/). Plus has been nominated in
the Science category.
There will be no July issue of Plus, so the next issue will be in
September. Meantime have a good summer -- or winter, for our readers
in the Southern hemisphere.
Regards,
Mark Wainwright
Assistant editor
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