Skip to content
Pulse of the Planet
Radio Stations
Pulse Picks
The Pantanel
About Us
Contact Us
Search for:
Search Button
BAR CODES
BAR CODES
You can find bar codes on just about every grocery store product - but what are they, and how do they work?
Air Date:
10/28/1994
Scientist:
Transcript:
Post navigation
RECYCLED PLASTIC FABRIC – Just Like Polyester
SMART CARDS