Who needs a diamond when we have plenty of beautiful rocks to choose from?
Vintage Tiffany & Co ring
Paul Erdős, the most prolific mathematician in history, always made jokes about his age. He said for instance that he is 2.5 billion years old, because in his youth the age of the Earth was said to be 2 billion years old and around 1970, it was known to be 4.5 billion years.
I just learned about McNugget numbers.
Since McNuggets can only be ordered in specified quantities from Mcdonalds then it is possible to buy certain quantities of Mcnuggets by making linear combinations of the box sizes.
So when it was only possible to order Mcnuggets in…