FAIL as a video - I quit watching when the feeling of being a sadistic voyeur got to me. Ewww. Abusive comment hidden. (Show it anyway.)
This really works, actually. Older people who sit a lot in the same chair can do something simpler - put a charcoal filter on the chair cushion. You can buy small filters for cheap at a pet store. Abusive comment hidden. (Show it anyway.)
Manual centrifuges have been around for decades, and are commonly used in medical clinics in countries with out electricity. Abusive comment hidden. (Show it anyway.)
Older people who sit a lot in the same chair can do something simpler - put a charcoal filter on the chair cushion. You can buy small filters for cheap at a pet store.