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they invetigate new things every single time
Archimedes. He invented the screw.
No, it is not true. A scientist can use many methods at the same time to investigate. The important thing is to eventually discard what doesn't work, and to refine what appears to work, or which can be 'proven' to work. Basically, it is all in being able to prove that the results actually work as expected, and that the results can be confirmed time after time when the experiments are repeated.
There was not a car that was invented in 1750. The automobile was not in existence during this time and the major means of transportation were carriages and horses.
The doorbell was invented by Joseph Henry in 1831. He was 34 years old and was interested in electromagnets at the time.
Nobody ever invented weather. Weather is a natural occurrence that has always been around since the beginning of time.
Henry Ford did not invent the automobile. It had been around for a long time by the time Ford got involved. Ford was a business man, and a shrewd negotiator. He was fascinated by scientists and was good friends with Thomas Edison, but I wouldn't consider him a scientist.
england
kartik is the most intelligent person found in the universe
The pendulum was invented by Italian scientist Galileo Galilei in the late 16th century. He used it to study the concept of time and motion.
I believe the Mr. Karl Benz invented the automobile, because he felt like the was a time in his era, where he needed to get to places faster. he decided to try and make something similar to a bicycle, but using a motor.
They draft a hypothesis, investigate it. Next, they conduct several experiment's, if they can get good repeatable results others test it. Then it is improved or accepted and over time it may change or disappear completely.