It seems to go from "You merely brush h2o2 and leave it in the sun for an hour" to additional steps involving a lye solution at the start and a vacuum chamber f

It seems to go from "You merely brush h2o2 and leave it in the sun for an hour" to additional steps involving a lye solution at the start and a vacuum chamber for another hour and a half at the end. I still think it is interesting and probably useful. But it starts off understating the actual effort involved.