
Radar

- Inventor: Christian Hulsmeyer
- Year: 1904
Radar was invented for detecting aircraft. Today, this system is used to detect movements and sphere of aircraft, spacecraft, ships, motor vehicles and weather formations.
Television

- Inventor: Vladimir K. Zworykin, Philo Farnsworth
- Year: 1923, 1927
This invention was the big breakthrough in technological advancements. The ability to send pictures and sound over the air was surprising. Today people spend approximately 2.8 hours per day on watching TV.
Penicillin

- Inventor: Alexander Fleming
- Year: 1928
It is derived from Penicillium fungi. It fights a large number of bacterial infections in the human body to save it from fatal infections without damaging the healthy cells.
Sunglasses

- Inventor: Sam Foster
- Year: 1929
Sunglasses protect the eyes from UV rays and blue light. They are the stylish fashion accessories but, most importantly, they maintain a good eye health.
Jet Engine

- Inventor: Frank Whittle
- Year: 1930
The Jet engine moves the airplane forward with the great force that causes it to fly at fast speed. It has an excellent power to weight ratio. It has completely transformed the way of traveling.
Cat’s Eye

- Inventor: Percy Shaw
- Year: 1934
The cat’s eye is a safety device which is used in road marking. It gives better visibility, especially when driving during the night. It is also believed that Cat eye gemstones can help you in return of lost wealth.
Teflon

- Inventor: Roy Plunkett
- Year: 1938
This accidental invention is mostly used in pipe work and containers for reactive chemicals. For pans and other cookware, it is used as a non-stick coating to avoid food sticking.
Computer

- Inventor: Charles Babbage
- Year: Early 19th century
Accuracy and precision of Computers have made the life fast and easy. It can do a lot of work in a short sphere of time. It is used in so many fields from domestic to Industrial. It has taken businesses to a new level of progress.
Slinky

- Inventor: Richard Thompson James
- Year: 1943
The Slinky was invented to save sensitive instruments from breakage while shipping. It became a ludicrous toy of many children.
Atomic Bomb

- Inventor: J. Robert Oppenheimer
- Year: 1945
In August 1945, the two atomic bombs were used in the war that was dropped on Hiroshima and Nagasaki, Blood. What do you think? They had positive effects or negative. However, it was the invention who invented time.