Source: cirosantilli/four-gradient
= Four-gradient
{c}
{wiki}
A <4D> <gradient> with some small <special relativity> specifics added in (the light of speed and sign change for the time).
= Four-gradient
{c}
{wiki}
A <4D> <gradient> with some small <special relativity> specifics added in (the light of speed and sign change for the time).