Double-slit experiment
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[edit] Double-clit experiment
Thomas Young's double-slit experiment is the first and only scientific experiment proving, that water does in fact have wave-like qualities. The experiment consists of letting water diffract through two slits, which produces wave-like interference patterns. The interference patterns consists of places, where the waves are extremely prominent interupted by places, where the waves are almost none-existing. The pattern arises because some of the waves made by the water will interfere constructivel (this is the places where the waves are prominent) and some places will interfere destructively (where the waves are neerly none-existing). The expirement can also be made with other liquids containing large amounts of water such as Coca Cola (Pepsi Cola contains too much carbon dioxide to make the interference pattern, because the carbon dioxide makes the water more stiff), most ales and Gatorade.
[edit] Importance of quantum theory and surfers
The double-slit experiment is thought to have first been performed by Thomas Young in the early 1800-hundreds. Thomas Young explaines about the experiment in many of his lectures and in an article that is published in 1835. The article and Young's experiment is not accepted by many scientists, because especially professors in physics think that the evidence from a single experiment is not enouh to conclude that water has wave like qualities. In his article Young points out that other evidence points in the same direction. For instance, Young points out that it very much looks as though the ocean moves in waves when the weather is windy. This evidence is thrust away by most scientists because most of them are idealistic and do not approve of empiristic evidence. In addition to that many scientists pointed out, that even though the ocean moves in waves during windy weather it might be because of the large amount of salt in the water (already in 1745 it was conclusively proved and accepted by scientists around the world that salt has wave-like qualities)or because blue whales that have the same color as the ocean like to bob near the ocean surface during windy weather which might make is look as though the ocean is moving in waves. In the early and early mid 2000'th century Einstein and Bohr with help from fellow scientists put together the theory of quantum mechanics. This theory became the savior of Youngs double-slit experiment because it proved that salt consists of particles. therefore it was shown that particles can have wave-like qualities. It was soon after this revelation shown that all particles have wave-like qualities. It was further shown that everything consists of particles. Water is not an exception from this rule. Neither sre flowers though they were considers as being waves until this revelation because they swayed during windy weather (oddly most scietists approved of this theory even though it was based on empiristically gathered evidence). In the 1960's it was finally beginning to be commonly accepted that water as wave-like qualities and a movement called surfers emerged. The movement were belivers of the theory stating water as having wave-like qualities and demonstrated their beliefs by standing on ovalish boards in the water, being pushed forward by the wave-like movement of the water. The movement soon got many followers and today the surfers are believed together with the quantum theory to being responsible for making the theory of waters wave-like properties as accepted as it is today. It is believed that without the surfers and quantum theory man would most likely still not be aware of water's wave-like qualities and would not be able to produce the non-perishable wave-power energy that is so important for man today.
[edit] Acknowledgements of the theory
- In September 2002, the double-slit experiment was voted "the most beautiful experiment" by readers of Physics World.
- Einstein is believed to have said that Young's double-slit experiment is the best example of the consequences of the theory.
- Rosie O'Donnell confirmed at a PR-meeting that she was affraid of water until she heard of the double-slit experiment because she believed that only very large animals would be able to make those giant wave-like shapes in the water
- Greenpeace and savethewhales both agree that had it not been for Ypung's double-slit experiment, man would not be aware of the fact that blue whales is an endangered species.
