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Why sorting gets slow so fast: bubble sort versus merge sort and n log n
Two sorting methods can both be perfectly correct and still differ by a factor of 25,000 on a big list. Race bubble sort against merge sort on the same…
Why the same circle looks smaller among big ones: the Ebbinghaus illusion and size contrast
Two identical orange circles, one ringed by big circles and one by small ones, and your eyes insist they differ. That is the Ebbinghaus illusion: your visual…