PLEASE RUN TO STAY WHERE YOU ARE

There is a popular book by name 'who moved my cheese'. It is just little booklet. The central point in the book is: 'The block of cheese will be moved now and then, the cat should be always ready to go that extra mile'. Meaning: the world will change continuously, the people must adopt and update themselves continuously.

Let us take the example of music industry. Long, long ago, music means live concert only. Then it was recorded and played on a disc using vibrating needle. Next music was recorded on a plastic tape using magnetism. It was compact than a disc. Earphones came. It helped us to listen music without disturbing others. Next music was recorded on a CD using pits and pumps which were etched by laser. Pits and bumps represents zeros and ones using which music is coded. Now,music is digitized.
Next silicon chips (electronic memory) stored music. Now, 'apps' streams desired music to your smart phone. The 'app' also recommends songs based on your taste.
Cassette tape, record player, CD, DVD, walk-man all have gone. But FM radio is still surviving. Now we have 'radio like box' which has in store thousands of songs. Any song can be searched and played.
That is the rapid evolution of music industry. Many top players in the 'music arena' have their own app. What is next?

Knowledge increases with time in every field. Today a simple professional requires more knowledge than a man who was called expert 20 years ago.

Many carriers have gone. New jobs have born. Artificial intelligence, information technology, bio-technology, block chain will revolutionize the way we live. Tomorrow computer software (algorithm) will take decision about giving loan in a bank; will allot a college seat; will drive car.

People used to say; teacher is a learner throughout his life. Today, everybody is learner and learning is a life long process. Using a smart phone is a basic skill required today like reading and writing.

To retain your position in the society and in the office; to earn money, to get elevated.
Learning, re-skilling, specializing , adopting, all required.

Just remember, even our 'mornings' have changed. Usually, we are greeted with milk pocket, news paper and radio or TV programme. Today, we have milk pockets which stays fresh for 90 days, digital news papers,and whatsapp messages.

So do not fall behind, run till the end.
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THE EARTH, A SUPER ORGANISM

JOIN MY COURSE: "Become a programmer in a day with python" A man called 'love lock' (what a name) proposed a theory called Gaia theory, named after Greek Goddess. It says, "Earth is a self-regulating organism like a human being. The organic life in it interacts with in-organic matter and maintains atmosphere, temperature and environment". Hence the earth is still suitable for the life to thrive. Imagine, in a particular place, there are lot of flowers. Some flowers are white and some are darkly coloured. We know, white reflects light and heat while dark absorbs the same. White flowers can thrive in hot climate. But dark flowers requires cold climate. The absorption and reflection balances and the environment reaches average, warm temperature at which both the flowers can co-exist. This is the essence of "Gaia" theory. On our earth, the oxygen constitute 20% of the atmosphere. The oxygen level is always mai

THE PARABOLA

A jet of water shooting from a hose pipe will follow a parabolic path. What is the so special about parabola. Y= x^2 Draw a graph for the above equation. It will result in a parabola. This parabola is also called unit parabola. Any equation involving square will yield a parabola. Example: Y = 2x^2 +3x+3 (also called quadratic equation) X= 2 and -2, both satisfies the equation 4 = X^2. Parabolic equations always have two solutions. Any motion taking place freely under gravity follows parabolic path. Examples: An object dropped from a moving train, A bomb dropped from flying plane, A ball kicked upwards. If a beam of light rays fall on the parabolic shaped mirror, they will be reflected and brought to focus on a point. This fact is made use of in Dish Antenna, Telescope mirrors, etc. Inverted parabola shape is used in the construction of buildings and bridges. Because the shape is able to bear more weight. A plane

DISORDER IS THE "ORDER OF THE DAY"

Imagine a balloon full of air. The air molecules are moving randomly inside the balloon. Let us pierce the balloon with a pin. The air rushes out. Why should not the air molecules stay inside the balloon safely and ignore the little hole? That is not the way the world works. The molecules always "want to occupy as many states as possible". Hence the air goes out in the open to occupy more volume. The things always goes into disorder (entropy) and the disorder increases with time. The above statement is what we call "second law of thermodynamics". Consider a cup of coffee on the table. Suppose the heat from entire room flows to your cup of coffee, the coffee will boil and the rest of the room will freeze. Freezing means bringing things to order and arrangement. It violates the second law. Hence it will never happen. Hence heat must flow from high temperature to low temperature and not the other way. The air molecules in y

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