Improvements! Inventions can be changed to make them better! Changing the design or plan of an invention can help the people who use them.
Refrigerator The refrigerator was invented to help keep food from spoiling in the heat. Carl von Linde invented the refrigerator in Carl von Linde was from Germany.
Airplane Wilbur and Orville Wright spent many years building balloons and kites before they built the first airplane. Their invention was very special because it was the first flying machine. Flying Kite
The Flyer The first flight took place on December 17, 1903 and lasted 12 seconds. The Wright Brothers plane, the Flyer, was an important invention because it marked the beginning of human flight.
The First Car Henry Ford wanted to change transportation in the world. He designed the first car and used factories to build many cars in a short amount of time! Many people could pay to own one of his Model T cars!
New Cars Cars have gotten faster over the years. They cost more money, but they are safer than the old Model-T cars.
Telephone Alexander Graham Bell designed the telephone in He wanted a faster way to talk to others who were not nearby. His success allowed for all people to communicate quickly!
Improving the telephone! Over the years, inventors have tried to make the telephone better. Phones that cost less let many people own one in their home. Cell phones allowed people to take their phone with them wherever they go!
Vacuum Cleaner Many people created several designs for the vacuum cleaner. This invention helped clean rugs, floors, and other dirty areas indoors. Over time vacuums have become more powerful and clean better.