This is the 300th post to this blog. At 100 posts and 200 posts I paused for a recap of my current circumstances. This 300th post coincides with the change of calendar year, which seems to bring out a great deal of reflection from people. Nevertheless, I will try not to get too mushy on…
Puzzlebomb – January 2012

Puzzlebomb is a monthly puzzle compendium. Issue 1 of Puzzlebomb, for January 2012, can be found here: Puzzlebomb – Issue 1 – January 2012 The solutions to Issue 1 can be found here: Puzzlebomb – Issue 1 – January 2012 – Solutions
Implied Geometry by Jim Sanborn
Implied Geometry by Jim Sanborn:
Nobel prize for mathematics
There’s no Nobel Prize for Mathematics This is a common statement. I’ve certainly used it myself. Recently it occurred to me to be annoyed with this. Nobel Prizes are awarded in physics, chemistry, medicine, literature, peace and economics, but not mathematics. On the other hand, mathematics is widely applicable and I think I could convince…
Christmas presents
What did I get for Christmas (mathematically, at least)? My big present was an Acme Klein Bottle, whose website claims it to be one of “the finest closed, non-orientable, boundary-free manifolds sold anywhere in our three spatial dimensions”. This is a 3D representation of a 4D Klein bottle; a pale shadow, of course, although the…
Pictorial proofs
I received this message from Alan Stevens, Nottingham Maths Jam attendee. I am putting it here so readers of this blog and the other Maths Jams might consider the topic as well. Although I won’t be able to make the next MathsJam at Nottingham I’ve thought of a theme you might like to consider. I…
Figurative Sculptures by Manuel Martí Moreno
Figurative Sculptures by Manuel Martí Moreno: