Everyone turned to look at Celia, curious about how she had gotten out.

Celia calmly replied, "I just came out like that. I didn't do anything special."

Lacey, brimming with disbelief, shot back, "No way! You must've pulled off some secret move!"

"That's really all there is to it. If you don't believe me, I can show you."

After Celia finished speaking, she walked straight into the last lab and closed the door.

Two seconds later, Celia pushed the door open and ...