Understanding spacetime allows scientists to trace the expansion of the universe back to its very beginning.
To keep the speed of light constant for everyone, space and time must "stretch" and "shrink" to compensate for motion. 🧵 The Fabric of Spacetime Space, Time and Einstein
Before Einstein, Isaac Newton’s view ruled: time was a universal clock ticking at the same rate for everyone. Einstein shattered this by proving that . it’s baked into our daily lives.
Satellites move fast and are further from Earth’s gravity, meaning their clocks tick differently than ours. Without Einstein’s equations, your phone’s GPS would be off by kilometers within a single day. Space, Time and Einstein
This isn't just "heady" math; it’s baked into our daily lives.