Next Tuesday, Chalkdust issue 07 will be released (don’t forget to book your free ticket to our launch event). To help you to get as excited about the launch as we are, here are some of the things we hid in issue 06.
1. A Mary Poppins reference
Hopefully this one got you singing.
2. Sophie Willock
Sophie Willock wrote a letter to Dirichlet. Who is Sophie Willock, you may be asking? Turns out it’s Sophie Bryant before she married.
It just wouldn’t be an issue of Chalkdust without scorpions everywhere.
4. Balanced ternary
Rob Low’s article on balanced ternary showed you how to write numbers in base 3, using 0, 1 and -1. During this article, the page numbers were written in balanced ternary
5. Grumpy Gauss
In our interview, Cédric Villani told us how he’d love to travel back in time to meet Gauss, although maybe Gauss would be too grumpy to talk to him. It was accompanied by this picture of him looking grumpy.
6. Crossnumber header
Once again, the crossnumber header was made with part of the previous crossnumber.
7. Crossnumber grid
At first glance, issue 06’s crossnumber grid looked like it had no symmetry. But after a longer look, you may notice that turning it upside down inverts the colours. Humbug had a lot of fun designing this grid.
8. A typo
A strong contender for the stupidest joke in issue 06 award.
Just to prove that we made the whole thing in LaTeX, we snuck a couple of
Edit: It’s just been pointed out to me that I missed a thing. Here it is:
10. The number on the cover
Hopefully these have got you excited about issue 07, where we have hidden even more things! Make sure you come along to our launch quiz to pick up your copy and start looking…
You might also like…
- Looking back at puzzles about complex numbers, tic-tac-toe, and the Eggnog Mystery
- Win this year's best book of geometry puzzles
- Win a DVD boxset from Festival of the spoken nerd in our first Christmas competition!
- A podcast for the mathematically curious
- Surprise yourself by making this thing
- Swing on a magnetic pendulum into our latest issue. Topological tic-tac-toe, maths, cake, categories, plus all your favourite regulars.