March 14, 2007 • 10:10 am
Ten random facts about pi
- It’s Pi-day today!
- Maybe they were preparing festivities… anyway, lately the number one search term for people coming to Qulog is Pi Song.
- As a result, the stats on that post have gone up from maybe four every day to over yesterday!
- There are seconds in a year (error is less than a percent).
- You can ‘measure’ by repeatedly dropping a needle onto a ruled surface. It’s not a very practical way, but I like it anyway.
- Somewhere in the digits of is my birthday. (But where? I always forget.)
- A circle with diameter 1 has circumference and surace area .
- During a lecture on quantum field theory, Gerard ‘t Hooft once joked that he used the ‘small circle approximation’: .
- There are more pi-songs than just the one I wrote about last year.
- Oh, I almost forget: , followed by a lot of digits I don’t remember…
Filed under: Education, English, Hands-on math & science, Math, Qulogistics, Random 10s