Recent content by jack jewell

  1. J

    What is the best physics magazine or journal?

    I like the magazine "focus" not only is it physics but it also contains many other Interesting things in the world of science anything from usain bolts record and they biological side of that to dark matter I strongly advise reading it i just got my subscription and can't wait for my new copies...
  2. J

    Is it safe for a 15-year-old to build an electron gun with dangerous elements?

    . If you heat magnesium hydroxide then you get some HCL it makes pure hydrogen and my physics teacher said if you bombard hydrogen into beryllium then it creates electrons but he also said that it can make some of the electrons e- meaning they turn radioactive that is why I have...
  3. J

    Is it safe for a 15-year-old to build an electron gun with dangerous elements?

    I want to do this because it is more challenging than heating a wirebut thanks for the comment.
  4. J

    Is it safe for a 15-year-old to build an electron gun with dangerous elements?

    Im 15 from the U.K and i want to do something with my life. So i jumped to the conclusion of building something, i didnt want something like a cyclotron, but i wanted to start of with something easier such as a electron my goal is to try and build an electron gun. I want to try and make this...
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