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1578
Submarine / submersible
Created by Cornelius Drebbel.
Advantages:
-Its capacity was high for short trips.
-It could be kept underwater and that impressed.
-It invested a lot of money that made improvements. Disadvantages:
-It couldn’t get very deep
. -Oxygen was easily lost.
-Could not have windows. -
The pascaline / calculator
Created by Blaise Pascal.
Advantages:
-It advanced a lot at the time.
-It made the calculation easier.
-You didn’t have to memorize all the numbers. Disadvantages:
-Addition and subtraction are not done directly.
-It is almost impossible to do multiplication and division.
-A lot of paper is used in a single calculation. -
Piano
Created by Bartolomeo Cristofori.
Advantages:
-New sounds created by a single instrument.
-Helps memorize keys and sounds
-Stimulates hand movements.
Disadvantages:
-It is very large.
-Fragile and difficult to move.
-You have to tune each time and if not done break the strings. -
Modern cooling system.
Created by Guillermo Cullen.
Advantages:
-Breakthrough technology.
-Kept food fresh.
-Consumes less energy.
Disadvantages:
-Weighs a lot.
-It is difficult to transport it to different places.
-If it spoils, food quickly expires. -
Parachute.
Created by Louis-Sébastien Lenormand.
Advantages:
-Download objects or people from very high without much risk of death and damage.
-The materials that are needed are easy to find.
-It innovated flying appliances.
Disadvantages:
-It can’t hold much weight.
-If it is not well calculated it will fail.
-Its handling is a bit confusing and difficult.
