2.2M views · 29K reactions | Take a look at this  It's a plasma toroid - a glass globe evacuated and filled with xenon. A coil is placed around the globe with a high frequency current (10 million cycles per second) The current excites the plasma inside the globe, but due to the coil's magnetic field, the plasma is confined to a torodial space, forming a plasma toroid. | Royal Institution of Great Britain | Facebook