17/01/2026
সমুদ্রে নাবিকরা কম্পাস দিয়ে কিভাবে দিক নির্ণয় করত? | How Sailors Used Compass for Navigation
#সমুদ্র #কম্পাস #ইতিহাস #নাবিক #বিজ্ঞান
Hi, my name is Ramkrishna Samanta. I did post graduate in physics. I have been teaching form 2021. I love to solve many complex physics, mathematics problems.
Mathurapur Railway Station Road
Mathurapur
743354
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