Shall we count?
In this century, the number of sources of electromagnetic interference in our homes is growing exponentially. Look around, try to count how many seemingly harmless light and small chargers, economical lamps, “electronic transformers” for halogen lamps, computers, printers, and other electronics with mains power and/or all kinds of “chargers” have come into your home over the past decade ? There were not enough fingers, even along with the legs, wife and... something!