A. And then suppose you pushed the 'Reverse' button and took a trip in the opposite direction journeying into the dim recesses of the past.
B. Just suppose you could clamber aboard a Time Machine and press the 'Forward' button.
C. You might just land right into your favourite period of history.
D. Zap... would you hurtle forward through a blinding flash of days and nights, months and years-- even long centuries--- perhaps, to land into an alien world of the future....?
E. A world that will be a marvel of technology.