CasualBystander
Celestial
Was looking at EMDrive and realized there is a range of Mach Effect Thrusters
Theoretical physicists get closer to explaining how NASA’s ‘impossible’ EmDrive works
Woodward effect - Wikipedia
The Woodward Effect is one potential Mach Effect Thruster.
The description has this interesting tidbit:
The mass of the electron is positive according to the mass–energy equivalence E = mc2 but this invariant mass is made from the bare mass of the electron "clothed" by a virtual photon cloud. According to quantum field theory, as those virtual particles have an energy more than twice the bare mass of the electron, mandatory for pair production in renormalization, the nonelectromagnetic bare mass of the "unclothed" electron has to be negative.[45]
Theoretical physicists get closer to explaining how NASA’s ‘impossible’ EmDrive works
Woodward effect - Wikipedia
The Woodward Effect is one potential Mach Effect Thruster.
The description has this interesting tidbit:
The mass of the electron is positive according to the mass–energy equivalence E = mc2 but this invariant mass is made from the bare mass of the electron "clothed" by a virtual photon cloud. According to quantum field theory, as those virtual particles have an energy more than twice the bare mass of the electron, mandatory for pair production in renormalization, the nonelectromagnetic bare mass of the "unclothed" electron has to be negative.[45]
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