https://taminggravity.com/archive/taming-gravity-popular-mechanics/
https://mccallisaiah.medium.com/the-scientist-that-discovered-antigravity-then-disappeared-completely-a75dacacd3bc
https://www.quora.com/Who-is-Dr-Ning-Li-and-what-did-she-find
https://www.explorescu.org/about-us