Boyle was the founder of modern chemistry. He performed experiments dealing with pressure, using an air pump and discovered the volume and pressure in gases. Hooke gave the first rational explanation of combustion; as a combination with air. Mayow studied animal respiration. As they all worked together to figure out the theory of combustion, two Germans named J.J Becher and G.E Stahl introduced the false phlogiston theory of combustion, which came to a theory that all substance phlogiston is contained in all combustible bodies then escapes when the bodies burn. The discovery of gases and analysis of air as a mixture in gas occurred during the phlogiston period. Carbon dioxide first came about by J. B van Helmont then later discovered by Joseph Black in 1754. The next element was hydrogen; hydrogen was discovered by Boyle but was carefully studied by Henry Cavendish, which was called inflammable air. Cavendish also found the explosion of hyd...
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...lthough radiation from the waves may cause cancer and other illnesses, the benefits make it seem like nothing. There are plenty ways to prevent radiation from being harmful, so it really is not that much of a problem. Using X-rays can kill bacteria that can cause many different sicknesses from food so that is always a positive to any invention. Without the help of a few main scientists, doctors, and normal people, the X-Ray would have never been possible, so thanks to them you can find out if your arm is broken or it is just a bone bruise. From torn muscles, to torn ligaments to pulled muscles, the CAT scan and MRI (both were made via the X-Ray) would have never been invented in the first place. Appreciate the items you have, because without them you never know where you would be. I think we can all agree that the X-Ray was a prominent invention in our day’s time.
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- ... Other important metals that were discovered and that seemed to be popular were silver, copper, tin and meteoric iron. During the early ages of Metallurgy, the methods of purification of metals were looking to be found. But surely the found more gold and came to be way more amused by that again. They called it the precious metal. The next stage of time was known as the Bronze Age. This is when they discovered that certain metals can be recovered by their ores by heating the rocks in fire. Mostly tin, lead, and copper, this process was called smelting.... [tags: what was it like before chemistry?]
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