No a co to tedy je ? Mrazík On 07. 12. 23 18:45, Daniel Valuch wrote: > To povedal pan Mrazik, nie ja :-) > > > On 07/12/2023 18:39, Jan Waclawek wrote: >> Reprak ako zdroj zvuku? Ako taky ten obycajny kus papiera s cievkou v >> magnete? >> >> V CERNe?