Oh really?
"Specifically, energy (E) equals mass (m) times the square of the speed of light (c2), a prediction of Einstein's theory of special relativity.
Such tests are important because special relativity is a central principle of modern physics"
So you might be convinced that the equation wasn't known before ole Al came up with special relativity...and you'd be wrong.
You could also wonder if "how do we know these guys are right? Because they say so?" yeah, not good enough anymore.
BTW, "The work was supported by NIST and the National Science Foundation." Gotta keep the money coming in now don't we?
https://www.nist.gov/news-events/news/2005/12/einstein-was-right-again-experiments-confirm-e-mc2
Ed McQuarrie talks the REAL History of Stocks and Bond performance.
https://www.morningstar.com/portfolios/how-use-commodities-your-portfolio?utm_source=eloqua&utm_medium=email&utm_campaign=FundSpy&utm_content=None_61962&utm_id=32070
How Commodities funds can help diversification with Stocks and Bonds and usually not correlated to either
https://www.morningstar.com/funds/most-stunning-fact-about-vanguards-etf-flows-2
This article shows people are pulling money out of mutual funds and putting it into index funds an example is VOO. Also Vanguard Primecap and Core fund opened the fund due to them both because of money being pulled out. INDEX ETF's way to go tax efficient and low expenses