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Energy is frame-dependent, infrastructure of energy is frame-independent (2020)

The first half of the title is pretty well-covered, but it seems like at no point does the author even explain what they mean by the term "infrastructure of energy," right? I assume they're not talking about electrical substations

2 days agogipp

its cromulent; the only reason anyone calculates energy is to find a difference; work is the whole point.

a day agololbert6

latex doesn't load

2 days agobehnamoh

It's MathJax, do you have javascript enabled?

2 days agohexane360

Not working in Firefox on Android either