Signals: Getting Them Around - S5.E4 - 3-2-1 Contact
Debra sees how quickly USA Today uses satellites to send information for printing in the next day's paper. David does a two-minute lecture on television signals. The Bloodhound Gang traces the Human Whale.
Signals: Getting Them Around - S5.E4 - 3-2-1 Contact
September 25, 1986
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