Do you know? By 5tephen 4eo | September 1, 2006 0 CommentIf you yelled for 8 years, 7 months and 6 days, you would have produced enough sound energy to heat one cup of coffee.FacebookTwitterWhatsAppLineTelegramVKShareHey! Check Out More StuffThe search for energy efficiencyA chronology of authoritarian rule in SingaporeHow to model Britain after Singapore