
Microwave Oven

- Inventor: Percy L. Spencer
- Year: 1945
In 1945, Spencer felt a candy bar start to melt in his pocket while he was standing in front of a magnetron (the power tube of radar) he picked the idea of Microwave Oven from this. It became one of the essential kitchen appliances.
Contraceptives

- Inventor: Min Chueh Chang, John Rock, Gregory Pincus
- Year: 1950
The first medical invention that had been introduced for a purely social purpose instead of a therapeutic was Contraceptives. It is a method used to prevent pregnancy. It is also known as birth control remedy.
Barcode

- Inventor: Joseph Woodland
- Year: 1952
A barcode scan is reliable and fast, and it consumes less time in entering data as compared to the manual process. It provides theft deterrence, security tracking, and a demonstrable reduction in liability.
Pacemaker

- Inventor: Paul M. Zoll
- Year: 1952
This lifesaver device was invented to treat arrhythmias. It uses low-energy electrical pulses to control abnormal heart rhythms.
Play-Doh

- Inventor: Noah W. & Joseph S. McVicker
- Year: 1956
It is very interesting to know that one of the most iconic toys Play-Doh was created to clean filthy wallpaper. Now, it is widely used in arts and crafts projects.
Industrial Robot

- Inventor: George Charles Devol
- Year: 1961
The first industrial robot was created to move and fetch things. It grabbed the attention of Japanese manufacturers and dominated the global market for industrial robots.
LED

- Inventor: Nick Holonyak, Jr
- Year: 1962
It provides an inexpensive way to convey information. It is utilized in most industries for various purposes. The applications of this efficient light source are endless.
Internet

- Inventor: ARPA
- Year: 1969
It was first invented for sending and receiving data for Military purpose. But within no time, it became the necessity of mankind for multiple activities.
Post-It Notes

- Inventor: Arthur Fry
- Year: 1970
These notes have been used for many years and are still the necessary part of many offices and study areas. Nowadays, they are sold in more than 100 countries.
DNA Fingerprinting

- Inventor: Alec Jeffreys
- Year: 1984
DNA Fingerprinting is needed into the courts to find out the true culprits and to release those people who are wrongly accused of crimes. Now it is used worldwide in forensic science and in paleontology.
In the above document, I have listed the greatest inventions of all time from the Wheel to DNA Fingerprinting that have made our lives much easier.
Do you have an invention idea you’ve been imagining for a while?