Beep! Beep! Violet put down the notebook she was furiously scribbling in and rushed towards her machine. Beep! Beep! She fussed around with the dials on the side of the machine. She widened her eyes ...

"My five year old niece 'likes' science. I have a doctorate in quantum mechanics." What would you do if you had a device that would allow you to skip back on minute in time? Is there much you could do ...