Maggie made her way down the stairs. At the bottom, she could see two doors. One of them silently slid open.

“Go on, you’re going to get a kick out of this.”

The room on the other side of the door was warm and when the lights flickered on, Maggie saw a white, tiled floor and plain white walls. There was a waist-high platform covered with the same tiles as the floor in one corner and in the middle of the room a softly glowing sphere the size of a tennis ball hung in mid-air.