Google pays tribute to Julius Richard Petri/Google doodles

Google pays tribute to Julius Richard Petri 0n his 161th anniversary, a German bacteriologist, with an animated and  interactive doodle features colored petri dishes replacing the Google logo complete with the play button. After pressing the play button, a hand appears with a swab applying a solution on each of the dishes followed by the appearance of bacteria on each one of them. When you hover the mouse pointer on the dishes, they show the origin of the bacteria. The dishes show bacteria present in worn socks, door knob, keyboard, pet dog, plant, and a wet sponge complete with animated images.

    About Julius Richard Petri ,

 He was born on May 31, 1852 in Barmen, studied medicine and received his medical degree in 1876. In his career, till 1882, he actively served as a military physician.He also worked at the Imperial Health Office in Berlin as an assistant.

    Petri's contribution was the invention and development of culture dish or Petri plate, a technique to culture bacteria on agar (a substance made from algae) plates that helped to identify the bacteria responsible for diseases. In the contemporary times, biologists use the petri dish to culture cells.

  

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Google Doodles On Mother's day/ Happy Mother's day 2013 Google Doodle

Hello friends,

The doodle to celebrate Mother's Day 2013 is thoughtful and interesting and allowing you to play and print the card.

The animated doodle lets users craft, print and share a range of attractive logos, thanks to a card-building machine.

On clicking the play button, three icons (Mother, flowers and a special gift) on the left of the doodle are displayed allowing users to choose the design of the card.

Once you click on the icon selected, Google's card-building machine initiates making of the card that goes through various phases. Each card is drawn in crayon.

  Google allows users to print the artwork and present it to their mothers, if they want to.

So, go ahead and make your mother feel special with these colorful and expressive cards from Google on Mother's Day 2013. 

 Here is some interesting  short story on  a relationship between mother and a child, I've just  tried to  express some feelings which i came across in my post .. just check out here

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Earth Day 2013 celebrated with a Google doodle/Earth day/Google Doodle

 Google doodle celebrates Earth Day 2013 with some of the best Featuring on the search engine's homepage,where users can play and pause a moving 'sun' or 'moon' on four different images
 
Earth Day is being celebrated with an interactive Google doodle. where you can play by using play button  as shown on the screen  and you can also  click on the clouds which makes it rain which tuns in to snow later according to the different climate   and when you click on door of the cave yo can see the bear  coming out of it you can also  click on the circle which is next to water pond.

Earth Day is held every year on April 22 to highlight green issues.The first ever Earth Day was held in 1970, although the name and concept was pioneered a year earlier Planting trees in the most common way people support the day. 

Friends what are you gonna do this earth day, plant a tree and  make earth smile?
Think about it.

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Google Doodle marks India's first passenger train on 160th anniversary.

Hello friends,
As we all know that  Google always pays tribute on the special occasions ,if you are thinking what does today's doodle is all about then have a look over here..

Today is the 160th anniversary  when India's first passenger train was launched.  Exactly 160 years ago, on April 16 1853, the first passenger train in our country left Bori Bunder station in Bombay to complete a 34km journey to Thane. Quite fittingly, the Google doodle depicts a steam locomotive lugging a passenger train on a palm-lined railway track. The 14 carriage passenger train with 400 invited guests onboard was pulled by three locomotives named Sultan, Sindh and Sahib and took 57 minutes to complete the journey.

The doodle has a train, pulled by a steam engine, chugging along over a background dotted with palm trees and astructure in the distance.

India’s railway network since then has grown by leaps and bounds and has one of the world’s largest railway networks comprising of nearly 115,000kms of tracks over a route of 65,000kms and 7,500 stations.

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Google Doodles Leonhard Euler on his 306th anniversary of his birth/Leonhard Euler

 Hello friends 

 

Google pays tribute to Leonhard Euler on his 306th anniversary of his birth.

Leonhard Euler was born  in Basel, Switzerland, Euler spent most of his career in St. Petersburg and Berlin. He joined the St. Petersburg Academy of Sciences in 1727. 

Euler's important contributions were so numerous that terms like "Euler's formula" or "Euler's theorem" can mean many different things depending on context. Just in mechanics, one has Euler angles (to specify the orientation of a rigid body), Euler's theorem (that every rotation has an axis), Euler's equations for motion of fluids, and the Euler-Lagrange equation (that comes from calculus of variations). The "Euler's formula" with which most American calculus students are familiar defines the exponentials of imaginary numbers in terms of trigonometric functions. But there is another "Euler's formula" that (to use the modern terminology adopted long after Euler's death) gives the values of the Riemann zeta function at positive even integers in terms of Bernoulli numbers. There are both Euler numbers and Eulerian numbers, and they aren't the same thing. Euler's study of the bridges of Königsberg can be seen as the beginning of combinatorial topology.

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Google doodle pays tribute to Maria Sibylla Merian on her 366th Birthday

Google's latest doodle celebrates the anniversary of the birth of of Maria Sibylla Merian (1647-1717), a German who was one of the greatest artist-naturalists of her time and who is regarded as having been a significant influence in the development of entomology.
 
Born on April 2 1647 in Germany, Maria dedicated her life to the study and depiction of the metamorphosis of insects. She studied plants and insects and made elaborated paintings about them. Her detailed observations and documentation of the metamorphosis of the butterfly laid the foundation for modern entomology.

 The Metamorphosis Insectorum Surinamensium (The Metamorphoses of the Insects of Suriname) which depicted the life cycles of insects she had studied. It was published in 1705, 10 years before she suffered a stroke and was partially paralysed. She died two years later. Her daughter published a collection of her work.

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Google doodles a tiger with Google stripes/Google doodles

Republic Day is celebrated every year on 26 January to commemorate the date and moment when the Constitution of India came into effect. Although India attained independence on August 15, 1947 but till 1949 it didn't have a permanent constitution of its own and instead were functioning under the laws enacted and implemented by the British. And after many amendments the Constitution was approved and accepted on November 26, 1949 that came into force in a full-fledged fashion from on 26 January, 1950. Thus, Republic Day celebration is the moment to remember the coming of the Constitution into effect.  

On India's 64th Republic Day, India's national animal the tiger glares at you from Google India's home page and the symbol of the Republic, India Gate, decorates the bottom left corner of Google's Republic Day India doodle. The Google logo appears as stripes on the tiger's body. 

Lotus, India's national flower, also appears in the jungle-like motif surrounding the tiger.
This is the third Republic Day doodle to feature on Google India's home page.

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Google doodle pays tribute to Srinivasa Ramanujan on his 125th birth anniversary 

  Srinivasa Ramanujan FRS was an Indian mathematician and autodidact who, with almost no formal training in pure mathematics, made extraordinary contributions to mathematical analysis, number theory, infinite series, and continued fractions.

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Google Doodle celebrates 197th birth anniversary of Ada Lovelace

Google Doodle today celebrates the 197th birth anniversary of Ada Lovelace, the popular 19th century mathematician and daughter of romantic poet Lord Byron.

 The doodle shows Ada Lovelace writing the pioneering computer program with a quill pen seated on a desk and the paper scroll she is writing her algorithm on twirls in the shape of the letters of the Google logo.

While she was educated at home by tutors, her mathematical skills were further honed by Augustus De Morgan, the first professor of mathematics at the University of London, who helped her in advanced studies.

Her association with Charles Babbage, father of the computer, began when she translated an article by Italian mathematician and engineer Luigi Federico on Babbage proposed Analytical Engine. She not only translated the work but added her notes that were more elaborate and longer than the work she was translating.

First program that Ada Lovelace created for the Analytical Engine to present day laptops and tablet PCs.

Ada Lovelace died at the young age of 36 on November 27, 1852 of uterine cancer.

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Tribute to Maria Montessori on his 142nd birth anniversarry by Google/Google Doodle

Today's  Google doodle is been dedicated to Maria Montessori on his 

142nd birth anniversary .

 Maria Montessori was born on August 31, 1870, in Chiaravalle, Italy. She was an Italian physician and educator, best known for the philosophy of education which bears her name. Her educational methods are in use today in public and private schools throughout the world.

The Google doodle itself represents various tools that form an integral part of Montessori education methods as you find out.

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Alan Turing's 100th birthday marked by Google doodle

Google on Saturday marked the celebrations of the 100th birth anniversary of computer scientist Alan Mathison Turing with an attractive doodle. Turing, who is also known as the founder of computer science, played a significant role in breaking the wartime Enigma- enciphered messages.

Search giant has put up a very interesting doodle, which is actually a mock-up of Turing machine and users have to spell the word 'Google' in the binary code to solve it.

Turing was an English mathematician, logician, cryptanalyst and computer scientist. He was known for his contribution to the development of computer science and providing a formalisation of the concepts of "algorithm" and "computation" with the Turing machine. He is also widely considered to be the father of computer science and artificial intelligence.

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