Nabin K. Malakar, Ph.D.

NASA JPL
I am a computational physicist working on societal applications of machine-learning techniques.

Research Links

My research interests span multi-disciplinary fields involving Societal applications of Machine Learning, Decision-theoretic approach to automated Experimental Design, Bayesian statistical data analysis and signal processing.

Linkedin


Interested about the picture? Autonomous experimental design allows us to answer the question of where to take the measurements. More about it is here...

Hobbies

I addition to the research, I also like to hike, bike, read and play with water color.

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Thursday, April 1, 2010

Survival of the Fittest: Tricks allowed

Surviving in the wild is not easy, especially if you are born to survive in the wild. So, you come up with tricks to survive. You do whatever it takes to survive.
I found few videos, surprisingly awesome!

Cordyceps, a killer fungi, that invades the body of an insect to grow and diminish the insect population. This is one of the Fascinating animal and wildlife video from the BBC epic natural world masterpiece 'Planet Earth'. This video was brought to you by Sir David Attenborough and the Planet Earth team.


The next on is about the Zombie Snails. As written in its description:
... this parasite is called Leucochloridium paradoxum. There are many other "mind-controlling" parasites such as the Spinochordodes Tellinii which infect grasshoppers and forces them to drown themselves... (Where the worm reproduces). Oh and one of my favs is the Toxoplasma Gondii found in cats intestines. But I'll let yall look it up. Savor the knowledge my children.



Who is inside you?
JK!

Wednesday, March 10, 2010

Ask questions to Physics Nobel Laureate in YouTube

Have you ever wanted to ask a Nobel Laureate a question?
Now, here's your chance! Ask a Nobel Laureate is offering you a unique opportunity to communicate with some of the world´s most brilliant minds.
The current participating Nobel Laureate is Albert Fert, Nobel Prize in Physics 2007 "for the discovery of Giant Magnetoresistance", which forms the basis of the memory storage system found in your computer.
Albert Fert will answer a selection of your uploaded video questions.
Upload your video question no later than March, 19, 2010.
Vote for your favourite questions, and a selection of the most popular questions will be answered by Albert Fert. Video responses will be posted in early April.

From wikipedia:
Albert Fert (born 7 March 1938 in Carcassonne, Aude) is a French physicist and one of the discoverers of giant magnetoresistance which brought about a breakthrough in gigabyte hard disks. He is currently professor at Université Paris-Sud in Orsay and scientific director of a joint laboratory ('Unité mixte de recherche') between the Centre national de la recherche scientifique (National Scientific Research Centre) and Thales Group. Also, he is an Adjunct professor of physics at Michigan State University. He was awarded the 2007 Nobel Prize in Physics together with Peter Grünberg.
 
Head on to:
Ask a Nobel Laureate with Albert Fert
http://www.youtube.com/user/thenobelprize

NobelPrize.org page:
http://nobelprize.org/nobel_prizes/physics/laureates/2007/
Ask questions!!!

"The important thing is not to stop questioning. Curiosity has its own reason for existing."
-Albert Einstein

Monday, March 1, 2010

Hubble in IMAX 3D

AVATAR was my first and second(!) IMAX 3D movie.
IMAX is bringing another fantastic movie... it is about the hubble space telescope

Some Screenshots:

More...
http://www.scientificamerican.com/blog/post.cfm?id=hubble-3d-imax-movie-2010-01-29
http://www.youtube.com/watch?v=SO4ZWJlROwE
http://www.imax.com/hubble/

Hubble: Imaging Space and TimeHubble: The Mirror on the Universe

Monday, February 22, 2010

Journey: From and Back to Home

I was completely absorbed by the following video... Journey from Home to eternity and back to home.
After you go out of the solar system, you are in void. tranquility prevails and you are alone in there... navigating away from your home. The journey is not so easy as it was fantasized.



http://www.haydenplanetarium.org/index.php


GalaxyGalaxy: Exploring the Milky WayThe Ultimate Visual Guide to Star Wars

Thursday, February 11, 2010

Adaptive Evolution and Darwinian Selection in Robots

Natural selection: is it the law or consequence due to the constraints provided in the situation?
It is "the law" if you think nature as an agent at work and that requires some law to work on. On the other hand it is the consequence if  you view it with the concept of "natural process". The difference is subtle: do you conceive it as a work done by an agent or a continuous process?
Whatever it is, one thing is sure that Darwinian theory of natural selection is true for agents in the play ground. Be it living beings, or robots.
The understanding of nature and appreciation to it becomes rather huge once you have the capacity to build and mimic "natural behavior".
Scientists have been working on adaptive and evolutionary robots with capabilities to learn and hence are able to realize the Darwinian selection rule in such robotic agents as the consequence of such learning and adaptive behavior.
See some video...





Evolution of Adaptive Behaviour in Robots by Means of Darwinian Selection


Read more interesting stuffs...



Robot Building for Beginners (Technology in Action)RobotsU Command Wall-E