Some specific measurements have helped scientists & mathematicians make incredible discoveries. Over the years, scientists have made measurements proving that we understand amazingly well how the universe works. So what are they? Learn all about them with Hank Green in a fascinating new episode of SciShow!
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Sources:
Intro
https://ourworldindata.org/life-expectancy#life-expectancy-has-improved-globally
https://www.bbc.com/future/article/20181002-how-long-did-ancient-people-live-life-span-versus-longevity
https://home.cern/news/news/computing/cern-data-centre-passes-200-petabyte-milestone
https://www.nist.gov/pml/fundamental-physical-constants
Time
https://www.nist.gov/news-events/news/2014/04/nist-launches-new-us-time-standard-nist-f2-atomic-clock
https://jila.colorado.edu/yelabs/sites/default/files/uploads/Ye_Cundiff_CombBook.pdf [PDF]
https://www.pnas.org/content/115/29/7449
https://physics.aps.org/articles/v11/22
Mass
https://earth.esa.int/web/eoportal/satellite-missions/m/microscope
https://www.thegreatcoursesdaily.com/einsteins-experimental-elevator/
http://spaceflight101.com/spacecraft/microscope/
https://journals.aps.org/prl/abstract/10.1103/PhysRevLett.119.231101
Rydberg
https://journals.aps.org/rmp/abstract/10.1103/RevModPhys.80.633
https://www.thoughtco.com/what-is-the-rydberg-formula-604285
http://inspirehep.net/record/691220/files/arXivhep-ph_0509010.pdf [PDF]
https://onlinelibrary.wiley.com/doi/pdf/10.1111/j.1444-0938.1997.tb04845.x
G-Factor
http://jupiter.chem.uoa.gr/thanost/papers/papers4/SciAm_218(1968)72.pdf [PDF]
https://indico.cern.ch/event/127522/contributions/108716/attachments/83026/118948/odom_g-2.pdf [PDF]
https://www.sciencedirect.com/science/article/abs/pii/S1090780718300739
http://inspirehep.net/record/1756917?ln=en
Electric Charge
https://journals.aps.org/pra/abstract/10.1103/PhysRevA.7.1224
http://faculty.washington.edu/trawets/vc/theory/dna/index.html
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