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Showing posts from July, 2022

Graphene Wonder

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 Graphene – Graphene, Where have you been? I have been in Graphite. Two persons helped me to come out of it and brought me into this world. For that, they have been given some prize called Nobel. So, what did you there and what exactly are you? I have been used as pencil. The wikipedia says, I am carbon's brother but only one atom thick planar sheet. If carbon atoms are placed on paper in honeycomb shape, that becomes me. You of course can't see me with your eye. But If you see me through powerful microscope, you can identify my hexagonal design. A human hair would look so big in that microscope that probably you won't be able to see it. (taken from istockphoto.com) I need least energy to maintain my structure. That increases my usability. My extremely small thickness would allow ultra small devices which will further miniaturize electronics. This also increases my usability. In fact, you shall see in near future, how things changes, due to my involvement. An UC Berkele...

LASER - a story

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  “ The successful warrior is the average man, with laser-like focus.” – Bruce Lee My papa showed me ‘saptarshi’ and Pole star when I was in school. I was interested in Astronomy. In fact everyone is at least gets charmed at least once by the celestial show that begins each night. This ignites curiosity in our mind about what these bright spots are, how they change, how distant are they, is there a heaven? The interest brought me to an amatuer astronomy meet at Madhavpur ghed (famous for its krishna temple, Osho ashram and a beautiful beach) in 2008. While sky gazing, I was shocked and amazed when Mr. Narendra Gor, the main organizer of the meet, indicated some of the stars using something in his hand. The light was coming out of it and seemed to reach to the stars. In an instant my interest shifted from astronomy to that thing in his hand. In the question answer sesion that followed, I asked him about the thing in his hand? He smiled and said it was 635 nm 5 mW red laser pointer. ...