Aunque en cada vida existen momentos singulares, lo que en El instante luminoso se hace, con confesada arbitrariedad, es rememorar algunos en los que los hombres hicieron la historia.
Some efforts have been made to prove negative mass behavior through some experiments performed in mechanics, and other disciplines as well as some theories in electrostatics, but I haven't found research about similar effects at the atomic level, where the most elementary mass given by the atomic nucleus is to be found.
