# New post in Geometry

May 17th, 2020

March 13th, 2020

April 25th, 2020

August 9th, 2022

## What is the meaning of inclination \$1\$ in \$x\$?

September 3rd, 2020

August 6th, 2020

August 2nd, 2022

## Is there a geometric interpretation of the spacetime interval?

October 14th, 2020

## Why are three parameters required to express rotation in 3 dimension?

August 12th, 2022

July 21st, 2021

## Geometrical interpretation of the Dirac equation

November 2nd, 2020

August 1st, 2022

June 1st, 2020

## Why sphere minimizes surface area for a given volume?

December 8th, 2020

## Triple-right triangle experiment: what's the minimum distance?

December 27th, 2020

August 1st, 2022

April 8th, 2020

## Gravitation is not force?

September 12th, 2020

April 24th, 2020

## How is Chasles' Theorem, that any rigid displacement can be produced by translating along a line and then rotating about the same line, true?

October 25th, 2020

## Proof/explanation that Sun is bigger and more distant from Earth than Moon is, Middle Age technology allowed only

November 12th, 2021

August 1st, 2022

April 15th, 2022

March 28th, 2020

May 5th, 2020

## If diverging rays never meet, why do parallel rays meet at infinity?

January 6th, 2022

March 11th, 2020

August 1st, 2022

## How far into space does one have to travel to see the entire sphere of earth?

February 17th, 2020

August 8th, 2022