Basics of the
4 Color (CMYK) Printing Process
, and
another link
from Pantone
Information on the math constant "Pi"
Calculations of Pi
(a couple of sample calculations)
See also
Wolfram Research's info on Pi calculation
National Pi Day
Chemistry and the Periodic Table
Electromagnetic Spectrum
, check out this NASA site!
Periodic Table of Elements
Electromagnetic Radiation
(no bookmarks made thus far)
SkyMaps website
, interesting for the basic astronomer (evening sky maps available)
Look at this
"Units" conversion
program
