Hello.Yesterday, I worked as a farmer all day long after a long time, so I'm still tired today.Hi, I'm Menbo.I watched this video↓ today. Stern-Gerlach Experiment (U2 07 03)As it is said that They were the first to demonstrate that the spi…

Hello. I'm Menbo.Today, I unusually feeling good!!At first, I have to explain why I wrote this article.When I was in junior high school, and high school, my most favorite subject is English.However, I was very very very poor at listening E…