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Dear Prof Scott

http://en.wikipedia.org/wiki/Undersea_tunnel

http://www.therichest.com/expensive-lifestyle/location/the-10-longest-underwater

www.youtube.com/watch?v=GWEGWfFe458

http://science.howstuffworks.com/engineering/structural/build-underwater-tunnel.

http://www.rediff.com/money/slide-show/slide-show-1-special-engineering-marvels-

http://www.theverge.com/us-world/2013/10/30/5045174/istanbul-railway-tunnel-is-w

http://wonderopolis.org/wonder/how-do-you-build-a-tunnel-underwater/

http://www.constructionchat.co.uk/articles/build-tunnel-underwater/  


Do you consider Underwater Tunnels Construction feasibility studies  can help bridge the Indian railways connectivity within and other countries for efficient transportation ?.     


Thanks  & Regards,
Prashant S Akerkar

Answer
In http://en.wikipedia.org/wiki/Undersea_tunnel a description was found on the requirements of building a tunnel.

In http://www.therichest.com/expensive-lifestyle/location/the-10-longest-underwater
it described the 10 longest tunnels in the world.  Japan is said to already have a tunnel connecting two islands that is over 50 km long.  These were also in www.youtube.com/watch?v=GWEGWfFe458.

In http://science.howstuffworks.com/engineering/structural/build-underwater-tunnel. it gives information on the technology needed to construct tunnels underwater.  It tells of tunnels being constructed underground since the Babylonians, so it is not that modern of a thing; it is just far easier to do right now that back then.

In http://wonderopolis.org/wonder/how-do-you-build-a-tunnel-underwater/ it describes how France and England using a boring machine to construct a tunnel between them already.  It is also talked about in http://www.constructionchat.co.uk/articles/build-tunnel-underwater/

The address
http://www.rediff.com/money/slide-show/slide-show-1-special-engineering-marvels-
ttp://www.theverge.com/us-world/2013/10/30/5045174/istanbul-railway-tunnel-is-worlds-deepest-connects-asia-europe   were not found.

As far as connecting the Indian railways together with other countries, that sounds like a lot more expensive project.  With the way technology is going, I'm sure it will be possible to do, though the cost to do so might still be out of reach.  It seems like it might be better to bore tunnels through the mountains around India to neighboring places.

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Scott A Wilson

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I can answer any question in general math, arithetic, discret math, algebra, box problems, geometry, filling a tank with water, trigonometry, pre-calculus, linear algebra, complex mathematics, probability, statistics, and most of anything else that relates to math. I can also say that I broke 5 minutes for a mile, which is over 12 mph, but is that relevant?

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Experience in the area; I have tutored people in the above areas of mathematics for over two years in AllExperts.com. I have tutored people here and there in mathematics since before I received a BS degree back in 1984. In just two more years, I received an MS degree as well, but more on that later. I tutored at OSU in the math center for all six years I was there. Most students offering assistance were juniors, seniors, or graduate students. I was allowed to tutor as a freshman. I tutored at Mathnasium for well over a year. I worked at The Boeing Company for over 5 years. I received an MS degreee in Mathematics from Oregon State Univeristy. The classes I took were over 100 hours of upper division credits in mathematical courses such as calculus, statistics, probabilty, linear algrebra, powers, linear regression, matrices, and more. I graduated with honors in both my BS and MS degrees. Past/Present Clients: College Students at Oregon State University, various math people since college, over 7,500 people on the PC from the US and rest the world.

Publications
My master's paper was published in the OSU journal. The subject of it was Numerical Analysis used in shock waves and rarefaction fans. It dealt with discontinuities that arose over time. They were solved using the Leap Frog method. That method was used and improvements of it were shown. The improvements were by Enquist-Osher, Godunov, and Lax-Wendroff.

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Master of Science at OSU with high honors in mathematics. Bachelor of Science at OSU with high honors in mathematical sciences. This degree involved mathematics, statistics, and computer science. I also took sophmore level physics and chemistry while I was attending college. On the side I took raquetball, but that's still not relevant.

Awards and Honors
I earned high honors in both my BS degree and MS degree from Oregon State. I was in near the top in most of my classes. In several classes in mathematics, I was first. In a class of over 100 students, I was always one of the first ones to complete the test. I graduated with well over 50 credits in upper division mathematics.

Past/Present Clients
My clients have been students at OSU, people who live nearby, friends with math questions, and several people every day on the PC. I would guess that you are probably going to be one more.

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