od Artifex » stř 20. bře 2013 17:20:53
Nojo, jenže tady nezabíjí stříbro jako takové ale on do toho pral elektřinu.
"when the filter was operated at -20 volts it killed 89% of the bacteria and that at +20 volts it killed 77%. At zero volts, most of the bacteria survived. In a follow-up experiment, in which contaminated water was run through three of the new filters in sequence, 98% of the bacteria were killed."
Když tam nebylo napětí, většina bakterií přežila.