Measure the electromagnetic fields around you
Haven't tried measuring EMF, but I did once borrow a power meter from the library to check if we have any devices that use much energy while "off". Only offender was a projector.
Personal Science Week - 230706 EMF
Haven't tried measuring EMF, but I did once borrow a power meter from the library to check if we have any devices that use much energy while "off". Only offender was a projector.