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Are there any chemical reactions which result in the density of a water decreasing?

For example, you can add alcohol to water to decrease water's density.
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1 vote

Is the Higgs field stronger in the presence of mass?

The Higgs field is a Lorentz scalar, which is unusual. It exists everywhere with the same value. If you rotate, it looks unchanged, and if you boost yourself to 99.9999% $c$, it looks the same. Very ...
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