In the video she holds the phone 20cm from the charger, and directly facing it. This is a scenario that's well known can work (at high power levels which are n

In the video she holds the phone 20cm from the charger, and directly facing it. This is a scenario that's well known can work (at high power levels which are not generally legal). What doesn't work so well is charging off axis and at higher power levels. This is a school science project level demo...