Clock for geeks

By at 2:30 pm Thursday, Jan 29

200901291421

Here's a clock for geeks. It's $20 on Etsy.

Explanation of clock numerals:

1 Legendre's constant

2 "An infinite number of mathematicians..."

3 A Unicode character as a HTML entity

4 Modular arithmetic

5 The Golden Mean reworked a little

6 Three Factorial (3*2*1)

7 6.99999.. Though a different number than 7, still equals 7

8 Graphical representation of Binary code

9 An example of a base-4 number

10 A Binomial Coefficient

11 An example of Hexadecimal encoding

12 The cube root is the inverse of 12^3

Mark Frauenfelder

My latest book, Made by Hand, now in paperback. Follow me on Twitter.

Where not otherwise specified, this work is licensed under a Creative Commons License permitting non-commercial sharing with attribution. Boing Boing is a trademark of Happy Mutants LLC in the United States and other countries.