For a while we had trouble trying to get the sound of a champagne cork exploding out of the bottle. I solved the problem by sticking my finger in my mouth and popping it out. ↗
Dad went to Canada to learn how to fly with the Royal Canadian Air Force. He took me on my first airplane ride, where I could have a hand on the stick. ↗
As for sticking strictly to presently known science, I will simply point out that we have already experienced at least two major revolutions in science in this century alone. ↗
It's odd the things that people remember. Parents will arrange a birthday party, certain it will stick in your mind forever. You'll have a nice time, then two years later you'll be like, 'There was a pony there? Really? And a clown with one leg?' ↗