Cassandra forced a smile. She took her spoon and stirred her tea from left to right, sipped her tea. She then turned her teacup over onto the saucer as the professor instructed, draining the liquid.

She shot her hand up in the air. "It's where on the cup the drags have settled. The rim section of the tea cup represents this moment in time. The middle section of the tea cup represents the near future -- usually no more than a fortnight. The base section of your tea cup represents further away in time."