Inventions I studied this week and how they help the world
#1. Susponsion Bridges
We humans always have been explorers, we like to go and explorer new places like on the other side of sea’s and big rivers and canyons and place we just can’t get to the other side. So one person (James Finley) had a idea of making a thing called a bridge, he thought that if he could make a bridge that can hold tons and tons of pounds. Different country’s had different bridges, like the Japanese had chain bridges and the Romans had brick and the U.S.A had metal and concrete bridges, ect. Some bridges had been to scary because they wiggled and jiggled and scared the people. One bridge wiggled and broke, no killed, no hurt, 2 car’s lost and one dog rescued from the river. One bridge killed a 12-year-old girl because it had no fences on the side to stop people from falling in the river, conyons, or ponds, that’s when fences where put in.
#2. Fire Hydrant
A fire started 3 miles away from a river, the house could not be saved, 1 killed and 2 hurt and burned. So they made a cart that can carry water and a hose if needed. It did not work so well, because the cart ran out of water and the hose was not a long hose, or there was no river nor pond. So they made pipes out of trees that can be wet bet not broke into pieces, half a forest or woods had the trees, but they worked and the women planted more trees. The inside of the tree was taked out and put in the ground 4 feet below, the firemen could dig a hole and make a hole in the logs and let the hole fill up and put the hose in the hole and put out the fire.
#3. Locomotive
Railroads, trians, and engines, all help people get from place to place. Different engine were tested, some failed (35% F-) and some passed (100% A+) Some were high-presure steam and some low-presure steam. Railroads were made of metal and wood, some were tested, like some that did a Y and some that did a fork. Trains and engines help people go to country to country and back, different trians went to different country’s hundreds of people get on trains every day. The first engine was make in 1890, that was a long time ago. People who were stuiped wrecked trains and get hundreds of men, women, and children killed each year.
Thank you for reading.
Supergirl 