This Video of People Forming a Human Chain to Save a Drowning Man Shows the Spirit of Chennai…

The nonstop rains since Monday night in Chennai have flooded several roads in many parts of the city, creating havoc everywhere. In such devastating conditions, residents are showing boundless strength and courage, and are leaving no stone unturned when it comes to helping those who are stranded in a crisis.

Chennaites displayed immense selflessness once again this Tuesday, when many of them got together to save a drowning man on a flooded road. The entire incident was recorded from inside a car and shared by Raghavan Chakravarthi, who was driving towards Tambaram when flood waters suddenly hit a road near Padappai. It shows how a bike rider lost his balance and got trapped in a gush of water that could have washed him away.

But bystanders did not think twice before abandoning their vehicles and running towards him in knee-deep water to form a human chain and pull him to safety.

Featured Image Credit: Twitter

Source…. Tanaya Singh in http://www.the betterindia.com and http://www.you tube.com

Natarajan

” I Love you My Darling daughter….”

This beautiful story is a real eye-opener, one that really touched my heart,  making me aware of the many times, I hate to admit, that I took my own mother for granted when she needed me most. The letter offers a heart-wrenching perspective for when ‘the day’ arrives, detailing the many patient moments that this mother had with her child when she was younger- the repeated stories, the forgotten details, the minor inconveniences. She uses these experiences to help her beloved daughter overlook all the difficulties that her mother now faces in old age, asking her to cherish the time they have together.
Read her beautiful story below and share it with someone you love – we all need a little perspective like this every now and again.  

My Dear Girl

The day you see I’m getting old, I ask you to please be patient, but most of all, try to understand what I’m going through.
If when we talk, I repeat the same thing a thousand times, don’t interrupt to say: ‘You said the same thing a minute ago’… just listen please. Try to remember the times when you were little and I would read the same story night after night until you would fall asleep.
When I don’t want to take a bath, don’t be mad and don’t embarrass me. Remember when I had to run after you making excuses and trying to get you to take a shower when you were just a girl?

mother daughter

When you see how ignorant I am when it comes to new technology, give me the time to learn and don’t look at me that way… remember honey, I patiently taught you how to do many things like eating appropriately, getting dressed, combing your hair and dealing with life’s issues every day.
The day you see me getting old, I ask you to please be patient, but most of all, try to understand what I’m going through.
If I occasionally lose track of what we’re talking about, give me the time to remember, and if I can’t, don’t be nervous, impatient or arrogant. Just know in your heart, the most important thing for me is to be with you.

And when my old, tired legs don’t let me move as quickly as before, give me your hand the same way I offered mine to you when you first walked.
When those days come, don’t feel sad… just be with me, and understand me while I get to the end of my life with love. I’ll cherish and thank you for the gift of time and joy we shared.
With a big smile and the huge love I’ve always had for you, I just want to say…

I Love You My Darling Daughter

SOURCE……………www.ba-bamail.com

Natarajan

” These are the 51 words and phrases we commonly misuse….”

WE’RE all guilty of misusing words and using certain phrases in the wrong context.

Now a linguistics expert from Harvard, Steven Pinker, has written a book designed to help us all out.

In The Sense of Style, Pinker breaks down the 51 most common words and phrases people stuff up, and explains how we should be using them.

Here is the full list, as republished in The Telegraph UK:

1. Adverse means detrimental and does not mean averse or disinclined.

Correct use: “There were adverse effects.” / “I’m not averse to doing that.”

2. Appraise means to ascertain the value of and does not mean to apprise or to inform.

Correct use: “I appraised the jewels.” / “I apprised him of the situation.”

3. As far as means the same as but cannot be used the same way as as for.

Correct use: “As far as the money is concerned …” / “As for the money …”

4. Begs the question means assumes what it should be proving and does not mean raises the question.

5. Bemused means bewildered and does not mean amused.

Correct: “The unnecessarily complex plot left me bemused.” / “The silly comedy amused me.”

6. Cliché is a noun and is not an adjective.

Correct use: “Shakespeare used a lot of clichés.” / “The plot was so clichéd.”

7. Credible means believable and does not mean credulous or gullible.

Correct use: “His sales pitch was not credible.” / “The con man took advantage of credulous people.”

8. Criteria is the plural, not the singular of criterion.

Correct: “These are important criteria.”

9. Data is a plural count noun not a mass noun. Note: “Data is rarely used as a plural today, just as candelabra and agenda long ago ceased to be plurals,” Pinker writes. “But I still like it.”

Correct use: “This datum supports the theory, but many of the other data refute it.”

10. Depreciate means to decrease in value and does not mean to deprecate or to disparage. Correct use: “My car has depreciated a lot over the years.” / “She deprecated his efforts.”

11. Dichotomy means two mutually exclusive alternatives and does not mean difference or discrepancy.

Correct use: “There is a dichotomy between even and odd numbers.” / “There is a discrepancy between what we see and what is really there.”

12. Disinterested means unbiased and does not mean uninterested.

Correct use: “The dispute should be resolved by a disinterested judge.” / “Why are you so uninterested in my story?”

13. Enervate means to sap or to weaken and does not mean to energise.

Correct use: “That was an enervating rush hour commute.” / “That was an energising cappuccino.”

14. Enormity means extreme evil and does not mean enormousness. [Note: It is acceptable to use it to mean a deplorable enormousness.]

15. Flaunt means to show off and does not mean to flout.

Correct use: “She flaunted her abs.” / “She flouted the rules.”

16. Flounder means to flop around ineffectually and does not mean to founder or to sink to the bottom.

17. Fortuitous means coincidental or unplanned and does not mean fortunate.

Correct use: “Running into my old friend was fortuitous.” / “It was fortunate that I had a good amount of savings after losing my job.”

18. Fulsome means unctuous, excessively or insincerely complimentary and does not mean full or copious.

Correct use: “She didn’t believe his fulsome love letter.” / “The bass guitar had a full sound.”

19. Homogeneous is pronounced as homo-genius and “homogenous” is not a word but a corruption of homogenised.

Correct use: “The population was not homogeneous; it was a melting pot.”

20. Hone means to sharpen and does not mean to home in on or to converge upon.

Correct use: “She honed her writing skills.” / “We’re homing in on a solution.”

21. Hotbutton means an emotional, divisive controversy and does not mean a hot topic.

Correct use: “She tried to stay away from the hot button of abortion.” / “Drones are a hot topic in the tech world.”

22. Hung means suspended and does not mean suspended from the neck until dead.

Correct use: “I hung the picture on my wall.” / “The prisoner was hanged.”

23. Intern (verb) means to detain or to imprison and does not mean to inter or to bury.

 

Correct use: “The rebels were interned in the military jail.” / “The king was interred with his jewels.”

24. Ironic means uncannily incongruent and does not mean inconvenient or unfortunate.

Correct use: “It was ironic that I forgot my textbook on human memory.” / “It was unfortunate that I forgot my textbook the night before the quiz.”

25. Irregardless is not a word but a portmanteau of regardless and irrespective. [Note: Pinker acknowledges that certain schools of thought regard “irregardless” as simply non-standard, but he insists it should not even be granted that.]

26. Literally means in actual fact and does not mean figuratively.

Correct use: “I didn’t mean for you to literally run over here.” / “I’d rather die than listen to another one of his lectures — figuratively speaking, of course!”

27. Luxuriant means abundant or florid and does not mean luxurious.

Correct use: “The poet has a luxuriant imagination.” / “The car’s fine leather seats were luxurious.”

28. Meretricious means tawdry or offensively insincere and does not mean meritorious.

Correct use: “We rolled our eyes at the meretricious speech.” / “The city applauded the meritorious mayor.”

29. Mitigate means to alleviate and does not mean to militate or to provide reasons for.

Correct use: “The spray should mitigate the bug problem.” / “Their inconceivable differences will militate against the treaty.”

30. New Age means spiritualistic, holistic and does not mean modern, futuristic.

Correct use: “He is a fan of New Age mindfulness techniques.” / “That TV screen is made from a high-end modern glass.”

31. Noisome means smelly and does not mean noisy.

Correct use: “I covered my nose when I walked past the noisome dump.” / “I covered my ears when I heard the noisy motorcycle speed by.”

32. Nonplussed means stunned, bewildered and does not mean bored, unimpressed.

Correct use: “The market crash left the experts nonplussed.” / “His market pitch left the investors unimpressed.”

33. Opportunism means seizing or exploiting opportunities and does not mean creating or promoting opportunities.

Correct use: “His opportunism brought him to the head of the company.” / “The party ran on promoting economic opportunities for the middle class.”

34. Parameter means a variable and does not mean a boundary condition, a limit.

Correct use: “The forecast is based on parameters like inflation and interest rates.” / “We need to work within budgetary limits.”

35. Phenomena is a plural count noun, not a mass noun.

Correct use: “The phenomenon was intriguing, but it was only one of many phenomena gathered by the telescope.”

36. Politically correct means dogmatically left-liberal and does not mean fashionable, trendy. [Note: Pinker considers its contemporary roots as a pejorative term by American and British conservatives, not its more casual use as meaning inoffensive.]

37. Practicable means easily put into practice and does not mean practical.

Correct use: “His French was practicable in his job, which required frequent trips to Paris.” / “Learning French before taking the job was a practical decision.”

38. Proscribe means to condemn, to forbid and does not mean to prescribe, to recommend, to direct.

Correct use: “The policy proscribed employees from drinking at work.” / “The doctor prescribed an antibiotic.”

39. Protagonist means active character and does not mean proponent.

Correct use: “Vito Corleone was the protagonist in The Godfather.” / “He is a proponent of solar energy.”

40. Refute means to prove to be false and does not mean to allege to be false, to try to refute. [Note: That is, it must be used only in factual cases.]

Correct use: “His work refuted the theory that the Earth was flat.”

41. Reticent means shy, restrained and does not mean reluctant.

Correct use: “He was too reticent to ask her out.” / “When rain threatens, fans are reluctant to buy tickets to the ball game.”

42. Shrunk, sprung, stunk, and sunk are used in the past participle, not the past tense.

Correct use: “I’ve shrunk my shirt.” / “I shrank my shirt.”

43. Simplistic means naively or overly simple and does not mean simple or pleasingly simple.

Correct use: “His simplistic answer suggested he wasn’t familiar with the material.” / “She liked the chair’s simple look.”

44. Staunch means loyal, sturdy and does not mean to stanch a flow.

Correct use: “Her staunch supporters defended her in the press.” / “The nurse was able to stanch the bleeding.”

45. Tortuous means twisting and does not mean torturous.

Correct use: “The road through the forest was tortuous.” / “Watching their terrible acting for two hours was a torturous experience.”

46. Unexceptionable means not worthy of objection and does not mean unexceptional, ordinary.

Correct use: “No one protested her getting the prize, because she was an unexceptionable choice.” / “They protested her getting the prize, because she was an unexceptional choice.”

47. Untenable means indefensible or unsustainable and does not mean painful or unbearable.

Correct use: “Now that all the facts have been revealed, that theory is untenable.” / “Her death brought him unbearable sadness.”

48. Urban legend means an intriguing and widely circulated but false story and does not mean someone who is legendary in a city.

Correct use: “Alligators in the sewers is an urban legend.” / “Al Capone was a legendary gangster in Chicago.”

49. Verbal means in linguistic form and does not mean oral, spoken.

Correct use: “Visual memories last longer than verbal ones.”

50. An effect means an influence. While to effect means to put into effect, to affect means either to influence or to fake.

Correct use: “They had a big effect on my style.” / “The law effected changes at the school.” / “They affected my style.” / “He affected an air of sophistication to impress her parents.”

51. To lie (intransitive: lies, lay, has lain) means to recline; to lay (transitive: lays, laid, has laid) means to set down; to lie (intransitive: lies, lied, has lied) means to fib.

Correct use: “He lies on the couch all day.” / “He lays a book upon the table.” / “He lies about what he does.”

Source…………www. news.com.au

natarajan

Nature’s Sand Artist: Sand Bubbler Crab !!!

In sandy beaches of certain tropical regions in the Indo-Pacific live a tiny crab, about a centimeter across, called the “sand bubbler crab” of the genera Scopimera and Dotilla in the family Dotillidae. These tiny crustaceans have spherical bodies with long and flat pinchers, hairy legs, and eyes on short stalks which can fold away into grooves when the crabs scurries into its burrow. With a body color same as sand, the crabs are easy to miss. What’s unmissable however are the intricate patterns they make on the beach when they search for food. Like tiny galaxies, these patterns are composed of hundreds of tiny sand balls —sometimes thousands, depending on how many fellows were snacking.

sand-bubbler-crab-15

Photo credit: Marco Wo/Flickr

The sand bubbler crab eats the thin coating of edible organic particles on sand grains. When the tide goes out, the crab emerge from their burrows and start sifting through the sand, picking up the sand grains with their downward pointing pincers and bringing it to their mouth to scrap the microscopic food. After they have scrapped the sand grains clean, they roll them into little balls and toss them behind. By doing this they avoid sifting the same sand twice. The crabs work radially from the entrance to their burrow, scrapping out a tiny paths with little balls of sifted sand piled up on either side.

The crabs come out of their burrows as soon as the tide recedes. You can almost tell how long the tide has been out by the patterns of their sand balls. The more intricate the pattern of sand balls, the longer the tide has been out.

The sand bubbler crab is widespread across the Indo-Pacific region, where they occur abundantly on sandy beaches in the tropics and sub-tropics.

sand-bubbler-crab-6

Photo credit: Gavin White/Flickr

 

sand-bubbler-crab-8

Photo credit: Gavin White/Flickr

sand-bubbler-crab-10

Photo credit: Gord McKenna/Flickr

sand-bubbler-crab-13

Photo credit: Pimthida/Flickr

sand-bubbler-crab-3

Photo credit: Paola Farrera/Flickr

sand-bubbler-crab-4

Photo credit: meredith_nutting/Flickr

 

sand-bubbler-crab-17

Photo credit: Tim Venchus/Flickr

sand-bubbler-crab-11

Photo credit: Shanna Terry/Flickr

sand-bubbler-crab-18

Photo credit: Frank Douwes/Flickr

Sources: Wikipedia / Wild Singapore via Arkinspace and http://www.amusingplanet.com

Natarajan

 

 

Message for the Day…” HE Sees, Hears, and Knows Everything…”

The Lord is attained only through supreme devotion (para-bhakthi).Supreme devotion can be acquired only through spiritual wisdom (jnana).Spiritual wisdom can be cultivated only through faith (sraddha), and faith comes only through love. So how is love to be cultivated? Through two methods: 1. Always consider the faults of others, however big, to be insignificant and negligible. Always consider your own faults, however insignificant and negligible, to be big, and feel sad and repentant. By these means, you avoid developing bigger faults and defects, and acquire the qualities of brotherliness and forbearance. 2. Whatever you do, with yourself or with others, do it remembering that God is omnipresent. He sees, hears and knows everything. Discriminate between the true and the false, and speak only the truth. Discriminate between right and wrong, and do only the right. Endeavour every moment to be aware of the omnipotence of God.

Sathya Sai Baba

” Why Do Many Countries’ Names End in “-stan,” …?

Stan, An, and Ish

Denoting that it is a piece of the earth associated with a particular group of people, the suffix -stan simply means “land of.”

An ancient suffix of Persian origins, for many people, particularly in Central Asia, the addition of –stan to the name of their cultural or ethnic group identifies that a certain place belongs to them, e.g., Kazakhstan is the “land of the Kazakhs.”

-Stan‘s roots go even further back than Persia, however, to the Indo-Iranian element, *stanam, which meant both “place” or even more literally, “where one stands.” This old construction is derived from the even earlier Proto-Indo-European root *sta, which also meant “to stand.”

The use of a suffix to denote “land of” is not unique to -stan, however. In English, we often use –land to identify a nation or place, and familiar words include England, Finland, Greenland, Iceland, Ireland, Netherlands, New Zealand, Poland, and Thailand, as well as Maryland and Newfoundland. Other languages use the convention as well, such as the German Deutschland.

Adding –an at the end of country or place names to identify a person’s heritage or ethnicity also traces its origins back to ancient times, and the Proto-Indo-European root *-no-, which meant “pertaining to.” More recently (but still relatively ancient), in Latin this element gave rise to –anus, as in Rōma ‎(“Rome”) → Rōmānus ‎(“Roman”). Over the years this has in turn morphed into our current ending –an, as in American, Mexican and Romanian. Not exclusive to regional references, we also see this nomenclature in many other words like Christus ‎(“Christ”) → christiānus ‎(“christian”).

In addition, in English, this –an is often modified with the addition of an “i,” such as in the aforementioned Romanian and christian, as well as in things like Brazilian, Canadian and Parisian.
And if you’re wondering, the suffix –ish, as in British, comes from the Proto-Germanic suffix *-iska which meant “of the nativity or country of.” It morphed into the Old English –isc before becoming the modern English, Irish, Spanish, etc.

Source…….www.today i foundout .com

Natarajan

Sai Spiritual Showers…” In weak moments, we must pray to Swami for His benign grace so that we may always feel His Presence within us.”

As I sit alone in a rather pensive mood, attempting a mental resume
of my student life at His Lotus Feet, the thought overawes me that, in
fact, seven precious summers have passed since I entered the portals
of this paradise. It is unbelievable… for was it not only yesterday
that I joined Bhagawan’s college? Verily one forgets to keep track
of time when one is living with Eternity Itself.

The thought gives me joy with a tinge of sorrow, for when I try to
peep into the inner recesses of my heart to find the glow of His Love,
I at once discover that He has been unfailing in His bountiful love
for me. Inspite of knowing that He is the way and the goal for all of
us without Whom our lives would not bear any meaning or taste, we fail
to understand His Love.

On a number of occasions, He has reminded us to realise the DIVINITY
in Him and not to be deluded by external appearances. Through parables
and examples, jokes and stories He has been constantly trying to drive
home that TRUTH in all of us.

One such golden moment came in my life on a bright morning. The Day
was the 7th of November 1984. All of us were eagerly awaiting
Swami’s Darshan. As He came out, He picked up four boys and I was
one of the fortunate four. Swami directed us to go to the anteroom in
the Mandir apparently to clean and tidy up the room.

As I sit alone in a rather pensive mood, attempting a mental resume
of my student life at His Lotus Feet, the thought overawes me that, in
fact, seven precious summers have passed since I entered the portals
of this paradise. It is unbelievable… for was it not only yesterday
that I joined Bhagawan’s college? Verily one forgets to keep track
of time when one is living with Eternity Itself.

The thought gives me joy with a tinge of sorrow, for when I try to
peep into the inner recesses of my heart to find the glow of His Love,
I at once discover that He has been unfailing in His bountiful love
for me. Inspite of knowing that He is the way and the goal for all of
us without Whom our lives would not bear any meaning or taste, we fail
to understand His Love.

On a number of occasions, He has reminded us to realise the DIVINITY
in Him and not to be deluded by external appearances. Through parables
and examples, jokes and stories He has been constantly trying to drive
home that TRUTH in all of us.

One such golden moment came in my life on a bright morning. The Day
was the 7th of November 1984. All of us were eagerly awaiting
Swami’s Darshan. As He came out, He picked up four boys and I was
one of the fortunate four. Swami directed us to go to the anteroom in
the Mandir apparently to clean and tidy up the room.

After going round the devotees and granting them the much-coveted
darshan, Swami came straight into the room, where we were engaged in
cleaning the place. We all stood in front of Him with folded hands.
Swami in His characteristic and Divine way proceeded to grant us one
of the rarest moments of our lives.

Swami pointed to a deerskin which was rolled and kept on a rack, and
addressed one of the boys, “Take this deer skin to the Himalayas and
do Tapasya there?†For a moment the boy was nonplussed. “Did He
really mean it? Is Swami telling seriously or is it meant to be a
pleasant joke?†There was silence for a few seconds, while Swami
waited for an answer from us. Swami looked at me and asked, “Is it
good to do Tapasya in the Himalayas?†I promptly said, “Yes
Swami.†But this answer did not satisfy Him. He Himself said, “Do
you not realise that the RESULT of all Tapasya is Here?†and pointed
at Himself.

He thus gave us a glimpse of His Divinity and showed that there is no
need to do Tapasya in the Himalayas when the object of all such
endeavours was right in front of us in flesh and blood. He continued,
“Whenever I give darshan to those who are engaged in penance in the
Himalayas, even for a few seconds, they feel extremely blissful for
having attained that Vision Of God. And they regard it as a great
experience. But you all are having My darshan every morning and
evening, yet, you never realise the value of it.

He gave further a beautiful illustration. “Whenever people desire
to see an elephant they go to the forest. And by chance, if they see
even the tail of an elephant whose body might have been hidden among
the bushes and shrubs, they feel immense joy at having seen an
elephant. In your case, there is an elephant (Sai Geeta) in front of
your hostel. But you do not pine to see her, because she is a familiar
sight.â€

We must realise the value of His Divine Darshan from these examples.
Since we are blessed with the opportunity to be near Him, we should
make the best use of each and every moment of our life here.
Sometimes, we may be confused by delusion and despair. In those weak
moments, we must pray to Swami for His benign grace so that we may
always feel His Presence within us.

Source……..Sai Spiritual Showers….www.sssbpt.org

Natarajan

 

No Electricity? No Teachers? No Problem. Students in India’s Slums Are Learning from the Internet…!!!

An interesting technology is bridging the education gap in urban slums and in rural India. Through computer tablets and ClassCloud technology, children are getting access to quality education even in locations where electricity and network connectivity are an issue. Learn more about it here.

Schools in Malwani, a slum in the suburbs of Mumbai, faced the usual struggles like lack of facilities and low interest in education among the children. In addition, the schools faced difficulties in retaining teachers, who would often teach just for a few months and then quit abruptly.

In a poor teaching environment like this, where regular electricity itself is a challenge, introducing a new digital innovation sounds like a far-fetched idea.

But one intervention is changing the face of schools in slums and rural schools in India. Introducing Zaya Learning Lab, a social enterprise that is bridging the education gap by bringing world class learning resources to marginalized communities.

Founded by Neil D’souza and Soma Vajpayee in 2013, Zaya already serves over 50 schools and 20,000 children.

ClassCloud technologies gives teachers and students better tools for teaching and learning.

ClassCloud technologies give teachers and students better tools for teaching and learning.

Before starting Zaya, Neil took a few years off from his work helping orphanages in Mongolia, where he had discovered a huge gap in the education system. He knew there was quality digital content online but not everyone could access it. He set out to design an intervention that could bridge this gap. He met Soma, an ex-banker, who was also extremely passionate about using technology in the classroom. Together, they founded Zaya Learning Labs.

“I visited a lot of offline schools and saw a real need for connectivity. A lot of great educational content exists online but these kids did not have access to it due to lack of internet, intermittent electricity, unmotivated instructors, or some combination thereof. We came up with an idea that would help overcome the infrastructural issues in these schools,” says Neil.

They designed the ClassCloud, which gives teachers and students better tools for teaching and learning. A ClassCloud is a small, battery-powered device that creates a powerful local hotspot in offline learning centres or schools.

Specific content is pre-loaded on the Zaya Micro Cloud, which runs on battery for about 10 hours and does not require electricity.

The Micro Cloud is like a wifi router that can be carried anywhere. It is supported by low cost hand-held tablets, on which students can access content. About 60 students can connect to the wifi device at a time.

Zaya

Zaya is providing technology-driven learning for Rs.50 per child per month

The content uploaded on the Cloud is as per the prescribed syllabus by the state. The students’ time is split between three distinct forms of learning in the class. After the regular instruction and lesson by the teacher, each student is given a tablet to understand and learn the lesson at his/her own pace.

The lessons are designed as per the needs of individual students and also focus on their personal interests. This is followed by a small test at the end of the class to get a clear understanding of the learning level of each student. When the students take the assessment tests, student-level and class-level reports are generated for teachers and parents.

Not every student in the class has the same learning level. Some might pick up things fast and some may not. Also, every student has different interests. We have tried to personalize the learning experience for every kid,” says Neil.

Each student is asked to create a profile on the Cloud and personalized lessons are loaded on the tablet once he/she logs in.

Lessons are personalized according to a student's needs.

Lessons are personalized according to a student’s needs.

The lessons are engaging and interactive and are delivered in an entertaining way. Students get an opportunity to watch videos, play games and take quizzes on their tablets. And since these tablets do not require electricity or Internet connection, the model can work even in those schools that do not have a good power supply.

The Zaya team also found that the State Board syllabus was well beyond the capability of many of these students and the lessons, both in class and on the platform, were too advanced for them. The team decided to take remedial measures to help the classes catch up to their grade levels.

The students were given lessons on the Zaya platform but using content from other content partners. Students were given individualized playlists, starting from the most basic skills, allowing them to learn at their own pace and focus on their own needs. Using this method, even for only an hour a week in most cases, the students were able to make noticeable and significant progress towards reaching their grade levels. The students’ progress, though modest, represents an enormous step in the right direction and was achieved in only a few months of using the platform,” says Neil.

Thanks to Zaya’s interventions, the schools have seen a remarkable improvement in the learning levels of the students.

The content is prepared as per the state board syllabus.

“Zaya conducts a BOY (Beginning of the Year) and EOY (End of the Year) test. BOY is a test taken before implementing Zaya. This helps us understand the current learning level of the students. Then we implement Zaya and conduct an EOY to understand how much Zaya has helped students learn. From these tests we have seen an increase in learning outcomes. The children’s core concepts have also been strengthened. Also, analytics on Zaya’s platform help teachers identify students who have not fully understood concepts or chapters; teachers can then focus on those students,” adds Neil.

The ClassCloud, which costs around Rs. 5,000, is purchased by the school. Zaya then charges Rs. 50 per child per month from the school for their services and devices.

We only reach out to those schools that are genuinely interested in the technology. It is small victories that matter to us. For example, one of our students in Rajajinagar came 2nd in class after learning on the Zaya platform (he was 17th when the school year began),” says Neil.

This interesting technology, which is of benefit to both students and teachers, deserves to be used more widely, especially in schools that do not have a good power supply. It will help schools that have not yet been able to harness the power of technology experience a whole new world.

Source…..Shreya Pareek in http://www.the betterindia .com

Natarajan

அமெரிக்கர் வியந்த தொழில்நுட்பம் – ‘சென்னானேரி’….

குழந்தைகளை நேசிப்பதுபோல ஏரி, குளங்களை நேசித்தவர்கள் நம் முன்னோர்கள். தாங்கள் வெட்டிய ஏரிகளுக்கும், குளங்களுக்கும் பிடித்தமான பெயர்களைச் சூட்டி மகிழ்ந்தனர். மலர்கள் சூழ்ந்த குளங்களை பூங்குளம், அல்லிக்குளம், ஆம்பக்குளம், குறிஞ்சிக்குளம் என்றும், மரங்கள் சூழ்ந்த குளங்களை மாங்குளம், இலுப்பைக் குளம், பலாக்குளம், விளாங்குளம், வாகைக்குளம் என்றும் அழைத்தனர். தெய்வத்தின் பெயர்களிலும் குளங்கள் அழைக்கப்பட்டன.

நீர்நிலைகள் மீது அக்கறையோடு மிகுந்த நேசமும் வைத்திருந்ததால்தான், அதை வெறும் குளம், குட்டை என்று அழைக்காமல் பாசத்தோடு பெயர் வைத்து அழைத்தனர். ஆனால், நவீன தொழில்நுட்பங்களில் முன்னேறிவிட்ட நாம், நமக்கு நினைவு தெரிந்து கடந்த 50 ஆண்டுகளில் ஒற்றைக் குளத்தை யாவது உருவாக்கி பெயர் சூட்டி யிருப்போமா?

ஆற்றின் கால்வாய்கள், வெள்ள நீர் வடிகால்களை எப்படி எல்லாம் சீரழித்தோம் என்று நேற்று பார்த்தோம். ஆயிரக்கணக்கான ஆண்டுகளுக்கு முன்பே உருவாக்கப்பட்ட அந்த வடிகால் கள். அரிகேசரி ஆறு, வல்லபப் பேராறு, நாட்டாறு, பராக்கிரமப் பேராறு இவை எல்லாம் வைகை ஆற்றுக் கல்வெட்டுகளில் கண்டெடுக்கப்பட்ட பெயர்கள். ஆனால், இவை ஆறுகளின் பெயர்கள் அல்ல. வைகையில் இருந்து ஏரிகளுக்கு தண்ணீர் எடுத்துச் செல்லும் கால்வாய்களின் பெயர்கள். கால்வாய்களே ஆறுபோல பெரிய அளவில் வெட்டப்பட்டன என்பதை கல்வெட்டுக் குறிப்புகள் உணர்த்து கின்றன.

இவ்வாறாக மொத்தம் 3 வகை கால்வாய்கள் அமைக்கப்பட்டன. முதலாவது, வரத்துக் கால்வாய் (Supply Channel). இவற்றில் வரத்துக் கால்வாய்களின் தொழில்நுட்பம் அபாரமானது. ஆறுகளில் குறிப்பிட்ட வளைவுகளில் மட்டுமே வரத்துக் கால்வாய்களின் தலைப்பகுதி வெட்டப் பட்டன. அப்படி வெட்டும்போது ஆற்றில் இருந்து தண்ணீர் மட்டுமே கால்வாய்க்குள் செல்லும். மணல் புகாமல் தடுக்கப்பட்டது. தவிர, ஆற்றில் நீர்வரத்து குறையும் காலத்தில்கூட தடையின்றி கால்வாய்க்குள் தண்ணீர் சென்றது. இதற்கு இன்றும் உதாரணமாக இருக்கிறது வைகை ஆற்றில் இருந்து வட ஏரிக்கு தண்ணீர் எடுத்துச் செல்லும் கால்வாய்.

இரண்டாவது, மறுகால் அல்லது வெள்ள வடிகால் (Surplus Channel). வெள்ளக் காலங்களில் ஏரிகளின் உபரி நீரை கலிங்கல் வழியாக வெளியேற்றும் கால்வாய்தான் மறுகால்வாய். இவற்றின் கொள்ளளவும் ஏரியின் நீர்வரத்துக் கால்வாயின் கொள்ளளவும் சமமாக இருக்கும். நீர்வரத்தும் நீர் வெளியேற்றமும் சரிசமமாக அமைந்து வெள்ளப் பெருக்கை தடுக்க உதவிய தொழில்நுட்பம் இது.

மூன்றாவது, பாசனக் கால் அல்லது கழனிக்கால் (Distribution Channel). ஏரி மடையின் வெளிப்புறத்தில் அமைக்கப் பட்ட இந்த கால்வாய்கள் மூலம் பாசன நிலங்களுக்கு தண்ணீர் பிரித்து விநியோகிக்கப்பட்டது. நிலங்களின் அளவுக்கு ஏற்ப அமைக்கப்பட்ட இந்த கால்வாய்கள் கண்ணாறு, வதி, பிலாறு என்றெல்லாம் அழைக்கப்பட்டன. இவற்றின் தொழில்நுட்பத்தைக் கண்டு இன்றைய நவீன நீரியல் நிபுணர்களே வியக்கின்றனர்.

நெல் பயிரிடுவதற்கு மிருதுவான நிலம் தேவை. அதற்காக நிலத்தை மிருதுவாக்கவும், சமப்படுத்தவும் அதிக அளவில் நீர் தேக்கப்பட்டது. சில நாட்களுக்குப்பிறகு, அதை உழுது நீரை வடித்து விட்டு, நெற்பயிரை நடுவார்கள். இப்படி வடிக்கும்போது கிடைக்கும் உபரி நீரையும், கூடுதலாக கிடைக்கும் மழைநீரையும் வடிகால் வாய்க்கால் களில் சேகரித்து, அடுத்தடுத்த வயல் களுக்கு விடுவார்கள். இது மிகச் சிறந்த நீர் சிக்கன மேலாண்மை. இதற்கேற்ற மிக நுட்பமான நில மட்ட அளவுகளில் பாசனக் கால்வாய்கள் அமைக்கப்பட்டன.

இதற்கு உதாரணமாக திகழ்ந்தது சென்னானேரி. இது திருநெல்வேலி மாவட்டத்தில் பணகுடி – கள்ளப்பனை கிராமங்களுக்கு இடையே இருக்கிறது. ஓய்வுபெற்ற பொதுப்பணித் துறை பொறியியல் அறிஞர்கள் ச.மா.ரத்னவேல், கள்ளபிரான் ஆகியோர் இந்த ஏரியை நேரில் ஆய்வு செய்து, இதன் தொழில்நுட்பம் பற்றி ஏராளமான குறிப்புகளை எழுதியுள்ளனர்.

ஏரியின் பாசனப் பரப்புகள் மேற்கில் இருந்து கிழக்காக மிதமான சரிவுடனும், தெற்கில் இருந்து வடக்காக கூடுதல் சரிவுடனும் உள்ளன. கால்வாய்கள் வழியாக பாசன நிலங்களுக்கு தண்ணீர் விடப்பட்டபோது தண்ணீர் வேகமாக பாய்ந்து, வளமான மேல் பகுதி வண்டலை அரித்துச் செல்லாதபடி விடப் பட்டன. தெற்குப் பகுதியின் பிரதான கால்வாயில் இருந்து தண்ணீர் வயலுக்குச் செல்கிறது. வடக்குப் பகுதி யின் வாய்க்கால் உபரிநீரை வடிக்கிறது. இன்றைய நவீன பொறியாளர்களின் கற்பனைக்கு எட்டாத தொழில்நுட்பம் இது.

அமெரிக்க பொறியியல் வல்லுநர் கில்பர்ட் லாவேன் (Gilbert Lavine) தனது ‘Irrigation and Agricultural Development of Asia’ நூலில் மேற் கண்ட தொழில்நுட்பத்தை எப்படி சிலாகிக்கிறார் தெரியுமா?

‘‘மிதமான சாய்வு தளமாக உள்ள நிலப்பரப்பில் மேல் வரிசைப் பயிர்களுக்கு குறிப்பிட்ட அளவுக்கு முதலில் நீர் பாய்ச்சப்படுகிறது. பிறகு சுழற்சி முறையில், அடுத்த வரிசை களில் அமைந்த பாத்திகளுக்கு படிப் படியாக நீர் அளவைக் குறைத்து பாய்ச்சப்படுகிறது. மேல் பாத்திகளுக்கு ஊற்றப்படும் நீர், கீழ் பாத்திகளுக்கும் வழிந்தோ, கசிந்தோ வரும் என்பதால் நீர் அளவு குறைக்கப்படுகிறது. இதனால் எல்லா அடுக்குகளிலும் உள்ள பயிர்களுக்கும் போதுமான தண்ணீர் கிடைக்கிறது. எல்லா பாத்திகளுக்கும் சம அளவில் தண்ணீர் பாய்ச்சாமல் தண்ணீரை சிக்கனமாகவும் பயனுள்ள வகையிலும் பயன்படுத்த முடிகிறது. மிகவும் சிக்கனமான, பயனுள்ள இந்த நீர் மேலாண்மை வளரும் நாடுகளில்கூட புழக்கத்தில் இல்லை!’’ என்கிறார் அவர்.

ஒரு அமெரிக்கப் பொறியாளருக்கு தெரிந்த அருமை நமக்குத் தெரியாமல் போனதுதான் வேதனை.

இவ்வளவு சிறப்பு வாய்ந்த சென்னானேரியை பார்க்க பணகுடி கிராமத்துக்கு சென்றோம். ஏரியின் பெயரைச் சொல்லிக் கேட்டால் ஊரில் யாருக்கும் தெரியவில்லை. அப்படி ஒரு ஏரியே இல்லை என்றார்கள்.

கடைசியில், ஜெபக்குமார் என்ற பள்ளித் தலைமை ஆசிரியர், ‘‘சென்னா னேரி என்ற பெயரை எல்லாம் மக்கள் மறந்து பல ஆண்டுகள் ஆகிறது. பராமரிப்பும் இல்லாமல் பாழாகிக் கிடக்கிறது ஏரி’’ என்றார். நம்மை ஏரிக்கு அழைத்துச் சென்று காட்டினார்.

கடல்போல பரந்திருந்தது ஏரி. இப்போது பெய்த மழையில் ஏரி நிரம்பி இருந்தாலும் உள்ளே சீமைக் கருவேல மரங்கள் ஆக்கிரமித்திருந்தன.

வெளிநாட்டு பொறியாளர்களையும் வியக்கவைத்த தொழில்நுட்பக் கால்வாய்கள் மண்மூடிப் போய் அனாதையாய்க் கிடந்தன. மதகுகளும் பராமரிப்பின்றிக் கிடந்தன.

‘‘ஏரி முழுக்க தண்ணியிருந்தும், என்ன பிரயோசனம்.. பெருசா பாசனம் ஒண்ணும் இல்லீங்க’’ என்று அங்க லாய்த்தார் அங்கு வந்த உள்ளூர்க்காரர்.

எப்படி இருக்கும் பாசனம்? நாம்தான் கண் இருந்தும், பார்வையற்றவர்களாக அல்லவா இருக்கிறோம்!

Source….டி.எல்.சஞ்சீவிகுமார்….www.tamil.thehindu.com

Natarajan

The Pillow Lavas of Oman Ophiolite….

You don’t have to be a geologist to appreciate these marvelous rock formation known as Pillow Lavas found in the Hajar Mountains of Oman. Pillow lavas form when hot lava flows into water and cools rapidly forming a skin over the still molten rock. Underneath the skin, lava continues to flow forming a lobe, until the pressure of the magma becomes sufficient to rupture the skin and start the formation of a new lobe. This process produces a series of interconnecting pillow-shaped mounds of rock that look like toothpaste squeezed from a tube. Pillow lavas are found not only in the ocean but also under glaciers that overlie volcanoes. The presence of pillow lavas indicate that the area was once under water.

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Photo credit: www.travelinggeologist.com

In the Hajar Mountains of Oman, pillow lavas occur in what geologists call the Semail Ophiolite — a large slab of the oceanic crust and the underlying upper mantle that was uplifted and exposed above the sea level. Covering an area of approximately 100,000 square km, it is the largest and best exposed of its kind in the world.

The pillow lavas are exposed in the cliffs along the south side of the valley. These formation became famous when they graced the cover of Geotimes magazine back in 1975, and since then have been referred to as the “Geotimes” lava or “Geotimes” pillow lavas. Locally, they are known as Wadi Jizzi.

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Photo credit: www.omanflorafauna.com

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Photo credit: The William & Mary Blogs

Sources: The William & Mary Blogs / Wikipedia

Source….www.amusingplanet.com

Natarajan