Genius communication inventions
from Morse code to the internet
Printing words in books originated in China with the invention of movable type. But books aren't the only way we've communicated throughout history. Find out who invented the first radio, which complicated code took 267 years to crack, and how cloth weaving inspired computer programs. Learn more about the methods and machines people have used to communicate?from cave paintings and the earliest written alphabets to TVs and computers.
9781512432107
book
Lexile:
990
