Natur Structur Macro No. 30
by Charles Krebs - © Corbis. All Rights Reserved. - © Charles Krebs/Corbis
Data on CD. Pits and lands
The data on a CD is saved in a pattern of "pits" (seen here in white) and "lands" (seen here in black) which are read by a laser as the disk spins. --- Image by © Charles Krebs/Corbis






















