Interesting Random Factoids — Toothbrushes and Temperature
Everyone Loves some Good Ol’ Factoids!!!
Toothbrushes
Originaly made in China by drilling holes in Ivory and inserting horse hair!
They can be made by hand with fine copper wire and looping that around pig’s bristles, forming a tuft.
Celcius to Farenheit Conversion Generalizations
Celcius TO Farenheit
-20-40C = -4-104 F (60 degrees of Celcius equals roughly 100 degrees of Farenheit)
-20—10 = (0-15) (-4-14)
-10-0 = (15-30)-(14-32)
0-10 =30-50 (32-50)
10-20=50-70 (50-68)
20-30=70-90 (68-86)
30-40=90-100 (86-104)
2009/03/29 at 7:47 AM
