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NEGATIVE ENERGY. “Since fermions always come in pairs, the vacuum breaks down with pair creation when a electron of mass me is confined in a potential well of depth larger than −2mec2 and not mec2, so that the electron has a negative total energy of −mec2 when the vacuum starts to break down.” https://lnkd.in/daA2SgMy View in LinkedIn

NOT EXTREME CONDITIONS. “Surprisingly, even at low fields, such a gravitational polarization will lead to observational consequences.” https://lnkd.in/daA2SgMy View in LinkedIn

THE POSSIBILITY OPENS. “In other words, if a negative energy solution is unstable in Minkowski (flat) spacetime, but is stable in an Einstein-de Sitter spacetime, while a few billion years are required to determine whether you live in one or the other of these two universes, it means that the instability of the negative mass solution has at most a characteristic timescale of a few billion years.” https://lnkd.in/daA2SgMy View in LinkedIn

BLACK HOLE HORIZON. “Indeed, under the diverging tension, the vacuum will eventually break down, and particle-antiparticle pairs will be created.” https://lnkd.in/daA2SgMy View in LinkedIn

TECTONIC MINDSET. “Phanerozoic lithosphere motions are well documented by paleomagnetic recordings of plate-tectonic sundering of supercontinent Pangea and complex dispersion and assembly of major fragments to present-day configurations during the last 600 m.y.” https://www.sciencedirect.com/science/article/pii/S0012825219302636?via=ihub View in LinkedIn

THE PERSISTENT MYTH. “Precambrian paleomagnetism? Evidence often cited for a permanent liquid core and ancient plate tectonics comes from paleomagnetic interpretations that may be in error.” https://www.sciencedirect.com/science/article/pii/S0012825219302636?via=ihub View in LinkedIn

MAGNETIC SHIELD THESIS. “The Cambrian explosion of evolution produced almost all phyla of modern animals within about 50 m.y., possibly because the newly-formed strong dipolar magnetic field provided a shield against ionized radiation.” https://www.sciencedirect.com/science/article/pii/S0012825219302636?via=ihub View in LinkedIn

WARREN’S EPITAPH. “It is a capital mistake to theorize before one has data. Insensibly one begins to twist facts to suit theories, instead of theories to fit facts.” Sherlock Holmes to Dr. Watson, in A Scandal in Bohemia (A.C. Doyle, 1891). https://www.sciencedirect.com/science/article/pii/S0012825219302636?via=ihub View in LinkedIn

WITH THE HELP OF FRIENDS. “Warren passed away leaving behind a manuscript of more than 39,000 words, which he judged to be 95 percent complete—with “all the hard parts” done. Colleagues, friends, and family have picked up this legacy and carried it the last steps. The great man’s final paper will be published posthumously in 2019.” https://lnkd.in/dNVjJKA9 View in LinkedIn

RACE AGAINST TIME. “His 2015 paper was the last published before Warren’s death, but it did not mark the end of his writing. Over the next three years and into his final month, he worked toward an even broader synthesis that would represent a culmination of his career: “Toward a myth-free geodynamic history of Earth and its neighbors.” He knew this project was a race against time, but refused to take shortcuts in the painstaking work. Time won that race, just barely.” https://lnkd.in/dNVjJKA9 View in LinkedIn