LND topic: relativity page 1

relativity

Time Travel Without Moving: How Project Hail Mary Plays With Time

April 3, 2026

Ryland Grace returns from a trip to Tau Ceti after aging only four years, while Earth waits 14. This gap isn’t just storytelling—it’s basic physics. Moving close to light speed slows your personal clock, a concept called time dilation. Grace’s ship accelerates constantly, so his clock keeps ticking

science

Unraveling the Mysteries of Three-Space General Relativity

November 12, 2025

Let's dive into the world of General Relativity, specifically the three-space formalism. This approach, known as the BFÓ action, is a unique way to understand how space and time interact. It's like a special recipe that helps scientists study the dynamics of our universe. The BFÓ action is a type o

technology

Silicon Valley's New Rocket Star

March 11, 2025

Eric Schmidt, a well-known figure in tech, has taken the reins at a space company called Relativity Space. This move has been quietly discussed for a while. It seems Schmidt has been funding the company since last October. This is a big deal because Relativity Space is one of the few companies in t

science

The Cycle of Explanations: Do They Exist?

November 16, 2024

Imagine a series of events where each one explains the next, and the final event wraps back around to explain the first. Sounds like a tricky concept, right? This idea is known as explanatory circles. Some people believe these circles exist, and let's dive into why. Firstly, think about worlds desc