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HomeUncategorizedThree science phenomenons that will blow your mind

Three science phenomenons that will blow your mind

1. Double cone and plane

It is a natural and obvious response that a cone will roll down if it is placed on an inclined plane. This is not the case in this experiment. In the video, a cone placed near the bottom of the inclined plane and cone starts sliding up. Why? This is explained in the video that because of the way the cone and plane are constructed, even though the cone itself is riding upwards, its centre of mass is still going downwards.

http://video.mit.edu/watch/double-cone-and-plane-24778/

2. Magnet in a copper rod

If you take a non magnetic object and drop it though a copper pipe, the object simply drops as it would outside the copper pipe. However, when a magnet is dropped thorough copper pipe, it falls really slowly. This is explained by the phenomenon of electrical induction by a moving magnet. As the magnet in the copper pipe starts to drop, it induces an electric field in the copper wire in such a way that the copper pipe produces a magnetic field that opposed that of the magnet. This behavior is summarized by Lenz’s Law. This causes the magnet to drop slowly… see it yourself!

http://video.mit.edu/watch/physics-demo-lenzs-law-with-copper-pipe-10268/

3. Exploding wire

This third one is more of excitement than scientific awe. In this video an iron wire explodes due to excessive current being passed through it.

http://video.mit.edu/watch/exploding-wire-24768/

 

 

Emm D
Emm D
I am in grade 11 at Henry Wise Wood High School. I like to write...sometimes humor and other times heart touching austere affairs. I like science and innovative ideas...
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2 COMMENTS

  1. The cone one is soo coool!!!!!!!
    and OMG the lenzs’ law one made me understand it so well..like we did it in class and I was so confused until I saw this

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