December 15, 2018 

Thought for today: 

“E=mc2” "[Energy equals mass of light squared.]  The original statement is: If a body gives off the energy L in the form of radiation, its mass diminishes by L/c2.].”  

Albert Einstein, Statement 

of the mass-energy equivalence 

relationship. It can be found in 

Ist die Tragheit eines Korpers 

von Seinem Engegieghalt 

Abhangig? [1905]