When invented
When was the credit card invented?
1950
What is the purpose of a passenger jet?
Quick cross-world transportation
Modem Computer
When was polypropylene invented?
1951
What is the purpose of solar cells?
Produce energy from sunlight
When did 50% of Americans start owning television sets?
1955
When was the microchip invented?
1959, 1961
What is the purpose of television?
Provide news and entertainment
What % of energy do solar cells provide today?
1 percent
When was the pacemaker invented?
1950, 1957
What is the purpose of polypropylene?
To make Plastic packaging
How much did the Sputnik satellite weigh?
180 pounds
When was the copy machine invented?
1939, 1959
What is the purpose of a microchip?
Condense disorganized electronic wires into one small chip
What was the first credit card?
The Diners Club