- The doorbell was invented in 1831.
- The symbols used for addition (+) and subtraction (-) have been around for thousands of years but it wasn't until the 16th century that most mathematical symbols were invented. Before this time math equations were written in words, making it very time consuming..
- For every human there are 200 million insects.
- Here is Pi written to 100 decimal places:
3.1415926535897932384626433832795028841971693993751
058209749445923078164062862089986280348253421170679.
- Perth is Australia's windiest city.
advertisement
  reload more facts | visit cool facts
add this widget to your website
|