Answer:
What is the difference between yesterday and tomorrow?
How do you drop an egg and never break it?
A man is able to contact his long lost brother who has never met. They agree to meet. When the brother arrives he is able to instantly pick him out from the crowd. How is that possible?
How do you blink twice without blinking twice?
What can I not be tomorrow?
I stand in one place yet fill the whole room. I can be filled with molten rock and come in every hue. What am I?