LARGEST PICTURE FRAME ON THE PLANET

Dubai has impressive skyline with many skyscrapers. How to add one more building that will stand out. Hence a design competition was held. A building design was selected. It is just a picture frame. It owns an award. The idea is: It will frame the landscape of old Dubai on one side and will frame the skyline of modern Dubai on the other side.

The construction took five years (2013-2018). Its height is 150 meters-equal to 45 story building. It is now standing majestically.

An experience:
     The entrance ticket is bit costly.
     After usual security check, we are allowed to enter one of the towers of frame. After short ride in escalator, we were shown some past Dubai. Then elevator took us to the top. We were given a short speech by a guide there. We got a clear 360-degree view of Dubai. The highlight is the glass bridge. One can walk on it and see 150 meters below. It is a thrilling experience. Some people fear to step on the glass, even though it is 100 percent safe. There you can take photograph, as if you were framed by Dubai frame. After viewing, the old and new Dubai on both sides, we go down through the other tower of the frame using an elevator. The elevator also has viewing glass.
    In the ground floor, we were shown a short movie clip which illustrates how the future Dubai is going to be. In future, there may be driver less cars, trains, flying taxis, tube rails and on and on.
     Finally, one leaves Dubai frame with different frame of mind. We understand "the change is only permanent". The man's quest and thirst will never end. Nature does not dominate in Dubai. But science, Engineering dominates. Man have achieved excellence in these fields in Dubai.

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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 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. ...

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 ...

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