Scanning probe microscopy

[@sumitrasharma2305]

you are just reading from one of the chapters provided online. what a acting.

[@indrajeetkharwar318]

Good explanation

[@anjalithakur5520]

Sir plz ... Robot ke jaise mat btaiye...todha easy way m batane ki kosis kare.....

[@usharaninaidu4153]

I insist this video for those persons who have insomnia

[@004siddh]

Dont sit like a robot and read the theory.... U can explain it in better way....

[@Sankalanersankalan]

Feeling sleepy..