It is not a fake or a joke.
Some guys from St. Petersburg University do amazing things:
They force a light bulb to burn without any wires/leads/conductors.
The most amazing thing here is that they use just “naked” light bulb without anything else.
See below:
Video:
May be somebody knows how they do it, if so tell me please.
Link to VIDEO & PIC: Forcing a light bulb to burn without any wires/leads/conductors