I wrote about process noise and variation, about the way random noise in a system can make it look as if results have changed, when the truth is that the system hasn’t altered at all. This is all very clever, it is interesting to know that the system hasn’t changed but it doesn’t answer the […]
Process Noise and Coffee Sticks
I would like you to do something for me, next time you are in Starbucks go and steal twenty of those sticks that they have for stirring coffee. Go on I dare you, be a little dangerous. Next I want you to snap them all in half using your two bare hands. Finally I want […]
You Clever Rat
Have a good look at the picture below, can you see the pattern? What is going to happen next? Red or Green? Left or Right? Write down the answer (no cheating). An experiment was carried out in the USA (See the link). A rat was put at the foot of a T shaped maze and […]