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Steam engine
The steam engine made it possible for traders around the world to get to certain places that were'nt possible to get to before. They were also used to travel up the mississippi river so that traders could trade their goods for other materials. -
shovel
The shovel is a good invention because it aloud people to dig holes at a much faster rate. From digging a water erigation system to buring your neibor in your back yard. -
Ice chest/ fridge
The Ice chest made it possible for people to store food that would spoile quickly for longer periods of time. The person would put Ice in the box then their item then more ice. You would put more Ice in it every two days. -
steel
Andrew carnegie made the first steel mill in the mid 1870s. He later sold it to america for 400 million dollars. The railroad companies relied heavily on his company. -
Welder
Welding is important because it provided a stronger, sleeker, better way to fuse stuff together without using screws and bolts. Its also less time consuming and easier to weld stuff together now than it was to bolt it together. it has advanced america alot. -
Birth control
The first methods of birth control were created in 1914 by margaret sangar. This helped people to have safe sex and without making a ton of babies. It also made the number of STDs go way down. -
morphine
Morphine was discovered alot earlier, but was first regulated in 1914. It is important because it eases the pain now days during operations. it makes you feel relaxed. It is used in medical hospitals all the time now, making it very important. -
oxygen mask
Oxygen maskes were invented in 1945. They help people get more oxygen when they can't obtain it on their own. They are used most frequently at hostpitals and airplanes. Fighter pilots use them when they fly super high when there isn't enough oxygen to breath. -
airlines
Tony janus conducted the first commercial air flight in 1952. Since then, travel has became much easier and faster and more convenient. people can also travel farther for vacations for fun. -
videogames
The invention of video games is important because it provides entertainment for many kids. And it is also opened up new job opportunities to design new games. So overall it is a good invention -
Cell phone
Dr. Martin Cooper made the first transportable phone in 1973. It weighed 2.2 pounds. Since then, phones have become almost a necessity for all americans. It makes planning and social life so much easier, -
solar panel
Solar panels are just now recently becoming comercialized. Since they have been invented, it has been easier to harnss energy to power stuff because the sun is plentiful. It is a good way to get energy
