Reading · Parte 5
Deep beneath the rolling farmland of southern Minnesota lies a small, unassuming room that holds a world record. Orfield Laboratories in Minneapolis is home to an anechoic chamber so effective at blocking and absorbing sound that it has been certified as the quietest place on Earth, with a background noise level of…
Desbloqueie todas as provas, simulados ilimitados, as 80 fases do jogo e muito mais.