Spun Out of Proportion: The Proton Spin Crisis (2017)

22 点作者 thicknavyrain超过 6 年前

1 comment

axilmar超过 6 年前

Now I am even more confused.<p>What is this thing called energy that gives 98% of mass? what is it composed of? is it a field? is it some kind of force? is it composed of particles?

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