The physics and art of your potential | Ayanda Cebekhulu | TEDxUniversityofPretoria

Imagine for a moment if the earth had never known people. Mountains would still stand, the rivers would still flow, and the stars, they would still keep shining. Now imagine our galaxy.Billions of stars stretching across unimaginable distances. Without us, it'll still be there, silent and endless. But here's the thing.The Earth with people, our galaxy with people, suddenly life starts to have meaning. And the universe, it can now start to wonder about itself. But at the same time, one may also wonder why st ...