When a resonance of warpspace was found at the Lagrange point, the future of the human race changed forever. With the opening of a tunnel between two stellar systems, the expanse beyond the solar system as we knew it wasn't just a dream anymore.
If you find a dimension intereseting, we recommend you pick up one or two facts that you find intriguing and place them into your memory. That way you will have 2nd degree information about the topic if it comes up in conversation.
Accordingly, you can do the same with others as well.