For the Full lecture, please :- Swami Sarvapriyananda-"Secret of Concentration" at IIT Kanpur ru-vid.com/video/%D0%B2%D0%B8%D0%B4%D0%B5%D0%BE-BGswR0tMqCM.html
There are many stories like this. For example, Newton once boiled his wrist watch in lieu of egg. But, does this video clip worth to be posted on youtube for public viewing?