Dear Friends,
It was a very nice surprise to me when seeing Foucault pendulum on Google main page today. Did you see it? If you missed it, please enjoy the picture I copied below:
Clicked on the picture I knew that … Tiếp tục đọc
Dear Friends,
It was a very nice surprise to me when seeing Foucault pendulum on Google main page today. Did you see it? If you missed it, please enjoy the picture I copied below:
Clicked on the picture I knew that … Tiếp tục đọc