cones

     

A cone (from the Greek κῶνος, Latin conu) is a basic geometrical shape; see cone (geometry).

Trivia about cones

  • Decorate the pointy type of these ice cream holders with candy & chocolate to make wacky wizard hats
  • The 3 pigments in these optic cells enable us to distinguish scores of colors
  • In the fir tree, not flowers but these hold the seeds
  • Named for their shape, the 2 kinds of light-sensitive cells in your eye's retina are rods & these
  • While the rods in the retina are sensitive to dim light, these cells provide our color vision
  • The retina has about 75 to 150 million rods & only about 7 million of these receptor cells
  • Cycads bear their seeds in these structures
  • In plants, they're reproductive structures; in humans, light-sensitive structures along with the rods
  • Many claim to have invented these; one man made them from waffles at the 1904 St. Louis World's Fair