সময় যাত্রার রহস্যময় তত্ত্ব: যমজ দ্বন্দ্ব ব্যাখ্যা

[@akashmondal5623]

Length contraction and Time dilation was taught to us in the 1st semester in iiserp. Wonderful watch and easy explanation.

[@jitkarhansda9837]

sounds unbelievable but explanation is more interesting ❤

[@soumyadeepsangiri6073]

knowledgeable video

[@rusha09612]

Ami 1st ei vablam Space e ache apni class e akbar bolechilen Sir ei bisoie ,
Khub valo laglo puro mathematical expression e eta bujhe .💝💝💝

[@am9157]

Daruun sir

[@Its.SandipK]

Darun Sir

[@RakeshAhir-jx3sj]

Out of the ordinary, Sir

[@ArtsWithAnimeToons]

Sera hoyeche❤

[@arkaprabhaghosh0077]

Very nice video ❤️👍

[@RUDRA.2004]

Khub valo hoyeche ❤

[@tusargoswami1087]

Very nice

[@abhijitmondal2938]

Nyc explanation ⚛️⚛️

[@souravghosh6595]

ভালো খুব

[@ayanmandal1759]

Good sir

[@dibyendupani1480]

A good engaging video sir
Keep spreading your valuable knowledge

[@dipu6103]

Awesome ❤

[@parthasarathinandi8965]

👍👍👍

[@manasidatta1245]

Interesting informative video 👌🏼

[@shauryavijay2050]

Darun sir 🎉, keep it up 😊

[@Bristigorai001]

Khub valo bujhte parlam

[@anitatapadar4237]

Darun 👏👏👍

[@tridipdandapath07]

Top vibe

[@deepteshmandal9522]

Asadaron sir

[@biltulaha3804]

ভালো লাগলো ভাই।

[@kisku_boy_07]

It's interesting ❤

[@professional6359]

Khub valo video❤

[@ujjwalpal9511]

Darun laglo video ta

[@pritoshsingh6558]

Sir khone bhalo

[@SkRakib-z4c]

Darun hoyeche sir 👌👌👌❤❤

[@abhijitgarai1485]

❤❤❤❤❤❤

[@biplabmandal8060]

❤

[@Pandu-b6w]

what a beautiful concept

[@chandanghosh8805]

খুব ভালো

[@sanchayanmandal]

Nice sir

[@bongfiziks]

Keep watching

[@prasenjitmallik6764]

দারুণ লাগছে স্যার 😮

[@FizikSphere]

Excellent

[@ethicalaspirant6630]

Nice 🎉

[@bankurabrainwave]

Darun explanation sir❤

[@Physicscare29]

Interstellar movie age calculation...

[@Ananda65555]

Good explained sir❤❤

[@SundaraGhosh-m3o]

Nice class

[@anindyadangar8743]

👌👌👌👌

[@youtubequeen7279]

🎉🎉🎉

[@mousumishit3896]

❤❤❤❤

[@abhijitgarai1485]

Jekhanei se khanei physic......

[@lobpal7659]

Sortte arkom hoy

[@bongfiziks]

Haa hbe.. Oi speed e jete hbe

[@avijitgarai4525]

Darun sir

[@arghaskylord776]

❤❤