मोबाइल फोन का इतिहास

 Link 

https://www.bhaskar.com/db-original/news/mobile-evolution-interesting-facts-martin-cooper-first-phone-call-story-131117080.html

बुद्धिमत्ता और मूर्खता

 

लिंक :

https://www.bhaskar.com/women/news/people-said-fool-but-became-a-scientist-kohlis-number-in-the-mark-sheet-made-virat-record-131110013.html