Discover the meanings and stories behind Lionel Messi’s tattoos—from tributes to his family to symbols of faith and football, explore the personal ink of the legendary soccer star.

The oldest evidence we have of preserved tattoos on human skin is from 5200 years ago on Ötzi the Iceman, who lived during ...

Abstract: This paper proposes a novel high-order passive filter, i.e., series-parallel-resonant LCL (SPRLCL) filter, for single-phase half-bridge active power filters ... with the gird-side inductor.