EA

Showing posts with label Environmental Sciences. Show all posts
Showing posts with label Environmental Sciences. Show all posts

Thursday, January 23, 2014

Aim High and Achieve

After an enjoyable and wonderful vacation with family and friends, regular life has started in year 2014.
Chesapeake Bay Area -
This was my research area and it is good to know that it is getting better day by day. Some times life throws several negatives at you, even though they are small negatives, they start to pile up. But always focus on positives. It is going to change. Aim high and Achieve. Once again give what you can. If you are educated, and have excellent knowledge on subjects, teach that to youngsters and others. I do it by teaching Information Technology, Programming, Databases (Oracle and others)  and Environmental sciences. It is a great feeling when a person, whom you taught and trained does well in real world. Those people, when they give their knowledge back to others, it is going to be excellent World. Today I read Mr. Gates envisioned poverty will be eradicated by 2035 from the face of the Earth. I hope it happens before that and spreading the knowledge will aide that. I think anyone can learn Computer Programming easily with so many available technology. With as much as $35, one can assemble a Raspberry Pi and learn computing.
Raspberry Pi
With internet access, one can get hands on programming experience at www.codecademy.com in php, javascript, jscript, ruby, python, API's and more. I strongly recommend this site for learning coding. It will be helpful for anyone even though they don't intend to become a computer programmer. When you start learning, create a profile in linked in and update every step that you are mastering and join different related groups, which will also improve your chances of getting job.

 If you are naturalist and have access to places with soil try to grow plants and trees like we did at eafarms,
which will help the environment.
Trees at EA Farms
Each and everyday you hear about pollutants that are affecting the environment. Recently air pollution was at its worst in China. People were told to be in indoors. When you cannot step out freely, then what kind of life is this?. If we don't contain or reduce the pollutants, future generations will have to wear gas masks or even astronaut suits to just go out. Let us start to follow the reduce, reuse and recycle rules to at least postpone the situation. Never give up. Even though we face lots of destruction, we have to be positive and be constructive. Aim High and Achieve.
One World Trade Center (Freedom Tower)

Happy 2014.

Friday, November 16, 2012

Teach In - Kids - Environmental Sciences - Save the Earth, Environment and Nature

I had the opportunity to teach Environmental Sciences to small kids (bunch of 3rd graders) during this week. I have taught the subject to under and post graduate students. After few years of break, I had this opportunity. Since, lots of news about BP oil Pollution (They were going to pay billions of dollars as fine) was going on, I choose to create a model that explains how oil pollution happens and how it gets cleaned.


Marine Oil Pollution and Clean Up:
I bought some sand from Home Depot. I used a plastic box, shoe box and filled with the sand sliding from top to bottom. I created blue water using water and blue colored ink. It turned out as a good Ocean model. All the kids were watching with full curiosity. I made an 'Oil Barge' with simple small candle light stand on small ship shaped wooden plank which I got from 'Michaels' store. I used left over cooking oil (which I take to recycling center) and colored it with some black color. That cooking oil now looked like crude oil and I poured them in the candle stand tanks of my oil barge model. It was floating in my clean Ocean model.
All of sudden, I turned barge and oil fell into the Ocean and spread. I heard a big 'oooh' sound from the kids. I had made oil containers to contain oil spread using left over 'felt' and threw them around the oil polluted area. It contained the oil spread. I used cotton to absorb the oil and make my Ocean model once again a clean environment. I took some marine animal toys including a pelican toy and covered them with oil and taught them how to clean the oil soaked animals with dilute soap solution and dry them with towel. I told them to visualize the whole thing in real world and showed the pictures. All of them clearly understood how oil pollution occurs and how it can be cleaned.

Good Sample Identification:
Before going to teach in, I made three solutions - Solution A - Vinegar, Solution B - Baking soda solution and C - Filtered water. I bought pH paper from 'Amazon.com'. I told them there is a site where people are affected from a natural disaster and they don’t know which water they could drink. They send us three samples and asked us to find which sample can be used as drinking water. Kids used their school tap water (filtered using Brita water filter) as control and using pH paper they found that Solution A was an Acid, B - was a base and C was drinkable water. They were happy to find out the drinkable water and to know they have saved people from drinking the wrong water.
I felt this was a good small experiment to kids to identify the toxicity, which I fully used in my PhD research.

Water treatment:

I procured some Alum from 'Amazon.com'. I took some tap water and added some dirt solids and made a polluted water sample. Now added the alum and did some swirling (to give centrifugal force) and allowed that bottle content to settle. After few minutes the solids settled down and the above water as clean as we mixed the dirt before. I told them this is one of the steps how they treat water before it comes through the tap. Along with this primary (Physical) treatment, they also do secondary (biological) treatment and tertiary (Chemical) treatment.

Aquatic Biosphere:
I had collected some aquatic plants and water from our community pond. I used a clean glass bottle and added some filtered water. Then I added the pond water. That’s when I noticed some small water bugs were also in the pond water. The children were happy to see the bugs. I added some of aquatic plants in the water and closed the bottle and told them to keep it near a corner in the table and watch the bottle. The bugs were happily swimming in the water. After a week I will bring it back and let them in the community Pond again. I told them in future (several years) if we don’t reduce pollution, the future generations should have to live in contained self-sustainable biospheres and this bottle aquatic biosphere is one such example.

Safety:
I emphasized that in labs - safety is important. There may be several chemicals and biological organisms. So it is very important to follow safety procedures such as wearing lab coat, gloves, safety eye glasses and sometimes even mask. I used all these and showed them how the experiments are conducted in a real lab.

Renewable and Biodegradable:
I talked about Natural Renewable energies such as SOLARand WIND . Also I talked about Biodegradable materials. I showed models of them.

Finally, I told them how they can save the earth by using the paper they write fully instead of writing one line and throw. I told them about Reduce, Reuse and Recycle - Three R's. Also, told them not to waste water. In US, we are privileged to have water coming to us, but in some parts of the world to get water they have to travel so much. They really understood and were happy to be part of people, who would save the Earth, Environment and its Nature. These wonderful gifted and knowledgeable kids send me individual hand made cards to thank me for teaching them Environmental Sciences. It was a fulfilling day for me.