# Thing I Might Blog About

 This was intended to be called "Things I might blog about" but somehow the "s" got lost. Oh well. This page has been Tagged As Dump
I needed a place to put these and get people to comment:

## The Big List

• Time Complexity <- Underway

• Brouwer's Fixed Point Theorem
• People aren't lazy, they just stop reading quickly
• Explaining NULL, remembering the dominant chatter.
• Farrago diagram
• Non-repeating can be created, hence transcendentals
• Proving a specific individual number to be T is hard
• But nearly everything (in a technical sense) is T.
• Blackjack
• Hexagons
• Signal reflection
• Overhead line damage, catching all the greens, be careful of how scathing you may be.
• Companies are sociopaths
• Puzzle World vs Crypto World
• Big-Oh and Complexity
• Integer sequence
• The tr bug
• AMPS
• D3 Rant
• 10^e -> e
• 3 cubes and the optimiser
• What are complex numbers?
• Completion of Q^2
• Can't have multiplication in R^3
• Complex numbers for fun and profit
• A+B=C in three squares
• Gamow's Treasure puzzle
• Folding the napkin
• Napolean's Propellor
• ... more?
• An elevator pitch for Group Theory
• Positive rationals with multiplication
• Non-zero rationals with multiplication
• Symmetries of a die
• Permutations
• How many sides has a circle?
• Can you ever see the Moon's terminator as a vertical straight line?
• Bonus points: Horizontal
• Continuous at irrationals, discontinuous at rationals
• Thirteen piles of four
• Every bi-coloured complete infinite graph has a mono-chromatic infinite sub-graph
• The three cubes in a fish pond problem
• Maths in a Twist
• The Real Projective Plane
• The Cross-Cap
• Different embeddings of the Klein Bottle
• Pythagoras and the Napkin Ring
• Necessary vs Sufficient
• (I did an MEI talk on that - wonder where it is)
• Monty Hall
• What if opening the other door is random?
• What if Monty only opens a door if you have the prize?
• What about variants of numbers chosen?
• Monty Hall Variant

I'll add others as I sweep them up from their various hiding places.