Naga Chokkanathan

Why Not? — Dependency Matrix

Posted on: March 5, 2010

A hypothetical situation: Let us say one fine day, somebody takes away our Moon, It just disappears!

Think about it for a moment. What do you think will happen next?

Not much, We will miss the moonlight in the night. But other than that everything else will be same. Afterall, moon is dependent on our earth, not the other way. Right?

The answers will surprise you. If moon disappears suddenly, it is going to be a disaster for all of us, living in this earth.

First of all, When moon is no more present, there will be 70% less tides in the oceans (which form the largest part of our earth) and because of this life in water and seashore areas will be fatally affected.

Okay. So what? I will live on vegetables and meat of animals far away from ocean!

Sure. But there is another (bigger) problem. Moon, which is earth’s natural satellite helps to regulate earth’s rotation on its axis. If Moon is missing, this means earth’s tilt would go wrong due to gravity pull from sun and other planets nearby. There may be longer nights, or longer days, or wrong / shifted seasons, too hot summers, too hot winters and so on.

Now, don’t worry, no one can take away our dear little moon, But who would have thought earth lives are so dependent on that tiny block of whiteness in the dark sky?

That’s precisely the point, many times the dependency assumptions we make can be dangerously wrong and backfire. For example, when a customer signs-up a contract with us, who is dependent on whom?

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