Monday, October 15, 2012

The Black Sky & White Sun

  Doesn’t this title seem pretty strange with slight twist..? I'm sure that you would have repeated at least twice this title, same happened with me when I glance over this statement in an article recently. Dark sky-white sun! But you & I have seen normally is yellow sun on earth. I just couldn’t control my curiosity and started pitching my Guruji for the same (I haven’t made a move with such questions in my school days to be frank;  referring Guruji to Google here) and finally understood that…
    Out in space, the sky looks dark and black, instead of blue. This is because there is no atmosphere. There is no scattered light to reach your eyes. 

Why is sky blue on earth?
    Light from the sun or a light bulb may appear as white, but it is actually a combination of 7 colors.Way back to school days, we all have experienced the same with piece of glass- PRISM.

Light travels through space in a straight line as long as nothing disturbs it. As light moves through the atmosphere, it continues to go straight until it bumps into a bit of dust or a gas molecule. Then what happens to the light depends on its wave length and the size of the thing it hits.

     Dust particles and water droplets are much larger than the wavelength of visible light. So while hitting these large particles, it gets bounced off in different directions. The reflected light appears white because it still contains all of the same colors. 
     As gas molecules are smaller than the wavelength of visible light, some of it may get absorbed & radiates (gives off) the light in a different direction. The color that is radiated is the same color that was absorbed. The different colors of light are affected differently. Though all of the colors can be absorbed, but the higher frequencies (blues) are absorbed more often than the lower frequencies (reds). This process is called Rayleigh scattering (It is named after Lord John Rayleigh, an English physicist, who first described it in the 1870's.) When absorbed high frequencies (blues) radiated in different directions, it gets scattered all around the sky. And hence whichever direction you see, the sky looks blue!

Why sunset RED?
      As the sun begins to set, the light must travel farther through the atmosphere before it gets to you. More of the light is reflected and scattered. As less reaches you directly, the sun appears less bright. The color of the sun itself appears to change, first to orange and then to red. This is because even more of the short wavelength blues and greens are now scattered. Only the longer wavelengths are left in the direct beam that reaches your eyes.

Sunday, September 23, 2012

Vegetarian and Non-Vegetarian symbol

Recently I had been to my cousin home in Mysore to see his little angel baby girl, post formal chit-chat and playing with her... somehow they forced and finally start to prepare chicken kabhab, though they dont have it on Saturdays. While looking over kabhab powder pack cover, saw small green veg symbol just below the BIG image of fried chicken piece and wondered for a sec that, how come green rather than red?(later come to know it supposed to be brown). Than my buddy words made me to realize that,  its just ingredient! Immediate question to me was, what is that green and red for? Here comes my new post
There is a common misconception that, brown dot denotes egg-products and that meat-products are distinguished by a red dot. And there is an additional virtual category called Eggetarian (few vegetarian say as such, who neither just can’t avoid egg nor wish to be called as Non-vegetarian). According to FOOD SAFETY AND STANDARDS (PACKAGING AND LABELING) REGULATIONS, 2011 there are no distinguishing marks for egg and milk products, other than the broad vegetarian and non-vegetarian classifications.
Packaged food products sold in India are required to be labeled with a mandatory mark in order to be distinguished between vegetarian and non-vegetarian. Though the symbol were in effect since 2006, got a mandatory status after the framing of the respective regulations (Food safety and standards (packaging and labeling) regulation in 2011)
If any nuts ask me to differentiate, Id prefer to describe Non-Veg(Animal-based ingredients other than milk and honey), it doesnt mean I like more; just to avoid subsequent questions.

Correct Symbol - 

Wrong Symbol -
Not sure, whether this RED symbol (wrong color code) made intentionally in some perspective to create public awareness (as this isn’t universal rule, but made in India) OR just poor print? Perhaps I would easily consider the later reason above, if I had never seen the accurate color brown. So still cynic on it.
There is no restriction where logo must be on product cover like what we have lung puncture image on cigar pack. Though company might be using different dimension with space OR package concern, there is specification from Food Safety and Standards Authority of India.

Size of the logo

Sl No.
Area of principal display panel
Minimum size of diameters in mm
Upto 100 cms
Above 100 cms & upto 500 cms
Above 500 cms  & upto 2500 cms
Above 2500 cms

 And some more for anyones interest, company must put these too on their food package
“Best before”, “Date of manufacture”, “Date of packaging” & “Expiry date”
“Vegetarian Food”, “Non- Vegetarian Food”, “Prepackaged”, “Principal Display Panel” & “Infant”,  “Lot | code | Batch No”& “Multipiece package”(labeled pieces of the same commodity of identical quantity as a bunch)

Saturday, September 8, 2012

Thorium Valuable Energy Source

Record breaker UPA’s spontaneous strike in INDIA
Oil for foodscam,
Mumbai attack
Common Wealth  scam
2G scam
Adarsh Housing scam
Lavasa scam
Coal scam
Discovered – It was first discovered in 1828 by the Swedish chemist Jons Jakob Berzelius. In German religion, term “Thor” is the name of god, creator of lightning – Thunder, with that spirituality Brezelius named a shiny silvery-white metal as Thorium.
Available – It’s naturally available in earth crust, in fact Thorium is estimated to be about four times more abundant than uranium and is chiefly refined from monazite sands as a by-product of extracting rare earth metals. For this naturally existing valuable energy source, scientific name is Th-232, which makes atomic chain reaction slower compare to uranium. Based on reaction speed there are diff category Th-228, 230 & 234 which are wiped out in earth crust.
Use of it
It can be used as nuclear fuel
Thorium produces 10 to 10,000 times less long-lived radioactive waste
It can also be used as an alloying agent to improve magnesium's strength at high temperatures
It is used to coat tungsten filaments used in electronic devices
In India – India has 20 - 23% of the world's total monazite ore, to name top 5 countries and ability to possess Thorium

Where in India?
Orissa – Golden Sand Mining Complex
Kanyakumari – Manavalakurichi
Kerala – Aluva – Chevar costal area
Who has Authority for Monazite mining?
Indian Rare Earths Limited – Mineral Research and Development Centre by central govt. of India, only has permission to mine Monazite Ore. In 1950 Nehru having said that no private company has permission. Post 2005, as there was huge demand in electricity generation atomic energy all over the globe, gradually monazite ore was looted in the Kerala – Kanyakumari beach area. BIG tragedy is that, few private companies started to supply the monazite ore to Indian atomic power plants and even few of them received prize for such rare metal supply.
Didn’t we have any responsible head for it?
There is head office to control and regulate the rare metal ore exporting in Nagpur, Maharashtra. On retirement of administrator C P Ambroze on 30th Jun 2008, it’s well known, purposefully nobody has elected as head. 
Though, Atomic energy ACT 1962 & Extraordinary notification of prescribed substance ACT 2006 clearly said that no private company has authority to dig such rare mineral. Investigation report by Statesman paper reveled that, after Manmohan Singh took over the control in 2004, 2.1 million tones of monazite had been looted from India. It means that 1, 95,300 tones of valuable energy source Thorium disappeared from India. In general, Rs.48 lakh Crore worth of Thorium looted from Golden Orissa sand complex, Kanyakumari  & Kerala costal area.
Hope there won’t be any new scam in UPA is gonnu break this record….!