There have been many great inventions that changed the way we live. The first great invention was the one that is still very important today - the wheel,which made it easier to carry heavy things and to travel long distances.In the early 1800s, the world started to change. There was lit...
Therehavebeenmanygreatinventions,thingsthatchangedthewaywelive.Thefirstgreatinventionwasonethatisstillveryimportanttoday-thewheel.Thismadeiteasiertocarryheavythingsandtotravellongdistances.Forhundredsofyearsafterthattherewerefewinventionsthathadasmucheffect(影响) asthewheel.Thenintheearly 1800'stheworldstartedtocha...
it was difficult to preserve food for long periods of time, and many people suffered from food-borne illnesses as a result. The invention of refrigerators and freezers in the early 1900s made it possible to store food safely and for longer periods of time, leading to...
Lust for life: emigrating from Italy in the early 1900s, the Jacuzzi brothers were soon renowned for inventions that provided luxury and comfort to people everywhere. (backflip).Dumas, Bob
had as much effect(影响) as the wheel. Then in the early 1800's the world started to change. There was little unknown land left in the world. People didn't have to explore(探测) much any more. They began to work instead to make life better.In the second half of the ...
Then in the early 1800s, the world started to change. There was little unknown land left in the world. People didn't have to explore(探测) much any more. They began to work instead to make life better. In the second half of the 19th century, many great inventions were made. Among ...
For hundreds of years after that there were few inventions that as much effect as the wheel.Then in the early 1800s the world started to change. There was little unknown land left in the world. People didn't have to explore much any more. They began to work instead to make life better...
the thermite reaction patented in 1895. This discovery was huge for the creation of stainless steel as it is an alloy that is more than 10 percent chromium with a low carbon content. Due to Goldschmidt’s innovation, scientists were able to begin create stainless steel in the early 1900s. ...
Cotton was king in the south until the boll weevil decimated the crop in the early 1900's. Theboll weevilinvaded all USA cotton crops by 1922, forcing southern US farmers and investors to embrace peanuts, soybeans, and sweet potatoes. George Washington Carver's inventions using these three cr...
There have been many great inventions, things that changed the way we live.The first great invention was one that is still very important today-the wheel.This made it easier to carryheavy things and to travel long distances. For hundreds of years after that there were few inventions that had...