Technology in the 1920's

The 20's

Period: Jan 1, 1920 to Dec 31, 1929

The First Traffic Light is Created

May 5, 1920

Made with red, amber, and green lights, the first traffic light was made by police officer William Potts

First Car with a Cumbustion Engine

Jul 30, 1920

Invented by Henry Ford, this car was one of the first to be mass-produced, creating lots of jobs.

The Band-Aid

Oct 10, 1920

Earle Dickson invented the Band-Aid because his wife would often cut herself

Lie Detector Test is Invented

Jul 22, 1921

The test was created by John A. Larson while he was in medical school.

First Robot is Built

Oct 14, 1921

The first bot is built in 1921, starting the first artificial life

Kool-Aid

Jun 21, 1927

Originally called Fruit Smack, Kool-Aid was created by Edwin Perkins

First Electronic Television

Oct 15, 1927

Philo Farnsworth invents the first electronic television. The first image it displayed was a dollar sign.

The Iron Lung

Oct 15, 1927

Used to help polio patients with chest paralysis, the iron lung helped manually expand and deflate lungs so that patients could breathe.

Aerosol Spray Can

Nov 23, 1927

Norweigan Erik Rotheim patented the spray can in 1927, and its picture was put on a Norweigan stamp to celebrate.

Penicillin discovered

Nov 1, 1928

Sir Alexander Fleming left one of his cultures out, and it molded, and he noticed the mold killed some of the bacteria. This led to one of the first antibiotic medicines