Physics
The Final Countdown: Understanding General Relativity
The Magnificent Elegance and Beauty Behind Einstein's General Theory of Relativity
“Gravity is a great mystery. Drop a stone. See it fall. Hear it hit. No one understands why.”
What a misleading statement! Mystery about fall? What else should the stone do except fall?
To fall is normal. The abnormality is an object standing in the way of the stone.
If one wishes to pursue a “mystery,” do not follow the track of the falling stone. Look instead at the impact, and ask what was the force that pushed the stone away from its natural "world line".
Charles Misner, Kip Thorne & John Archibald Wheeler, "Gravitation", Chapter 1
To fall, as described above in the beautiful poetic words of Charles Misner, Kip Thorne and John Wheeler in their classic "Gravitation" is the most natural thing in the world. And i have studied in my two articles below…
