They were the radar, atomic bombs, radio communications.
She was in the study of Radiology and she helped to introduce and increase knowledge which is still used today.
i love history
they helped to contribute because they invented a lot of stuff that people used today
No
Unless you consider designer gene splices to be inventions, the smallest thing I can think of are some of the medical devices such as used in micro-surgery.
Leonardo helped shape the world by inventing EVERYTHING! this guy had and idea for EVERYTHING. he was insanely talented and can not be bothered to have all his triumphs on one page thank you :)
One was the barbed wire and two was the tool used to lift up sod. Hoped it Helps!!!
arabic numerical system
The Plow And The Wheel. The Plow Was The First Important Tool Invented To Help Farmers. The Sumerians Used the Wheel For The Plow And/Or Wagons.
Semiconductor laser later used in CD players
There are many Greek inventions that are still used today. Some of these include the alarm clock, central heating, the thermometer, maps, cannons, as well as wheelbarrows.
it helps people to make other inventions what kind of inventions