SUNSET-18:56
MOON-15.3 DAYS
_ The world's second-biggest Ebola outbreak is still raging.
https://www.nationalgeographic.com/science/2019/04/worlds-second-biggest-ebola-outbreak-still-raging-heres-why-hot-zone/
二輪・自転車安全日, 光化学スモッグの日, 米食の日, 勤労青少年の日, 頭髪の日,
ネルソン・マンデラ・デー,
1853年 ヘンドリック・ローレンツ (蘭:理論物理学者,ローレンツ変換を導出)
* Hendrik Antoon Lorentz *
http://en.wikipedia.org/wiki/Hendrik_Lorentz
http://www.encyclopedia.com/topic/Hendrik_Antoon_Lorentz.aspx
_ Lorentz Transformation
https://youtu.be/sbNEtMUjiMU
_ 10 Special Theory of Relativity Mass Energy Relationship
https://youtu.be/L7dmFPhrwe0
_ Hendrik Antoon Lorentz
https://youtu.be/D8LUC7zI9Bs
https://dilbert.com/strip/2019-07-17
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