Antigravitas
Antigravitas est notio creandi loci vel rei quae vi careat gravitatis. Non autem intelligitur defectu gravitatis experiens casu vel in orbitam circumactu vel liberante vi gravitatis impetu altero sicut electromagnetico vel aerodynamico. Anno 1948 Roger Babson, negotiator prosper et conditor Collegii Babsoniani, Gravity Research Foundation formavit, pactis effectibus reducentibus gravitatis indagandis.

Bibliographia 
 Peskin, M and Schroeder, D.; An Introduction to Quantum Field Theory (Westview Press, 1995) ISBN 0-201-50397-2
 Polchinski, Joseph (1998). String Theory.  Cantabridgiae:  Cambridge University Press.
 Wald, Robert M.  General Relativity. Sicagae, University of Chicago Press, 1984.  ISBN 0-226-87033-2 

Acceleratio
Mechanica caelestis
Notiones in physica