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A New Spin Looking for High-Tech Acronyms?
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Ask not how dinosaurs became extinct,
ask how they existed (in the first place):

A New Spin

"I'm astounded by people who 'want' to know the universe
when it's hard enough to find your way around Chinatown."
-- Woody Allen

'What is this?'

-- The short answer:

Its an attempt to rationalize the existence of the giant dinosaurs in the past, even though their past viability on earth is puzzling.

--The long answer:

The following is not meant to introduce yet another theory for the demise of the dinosaurs. Rather, it explores the past basic physical parameters of the earth (not necessarily its environmental condition) that could enable animals, weighing some 100 ton, to thrive for millions of years. Inevitably, it will lead to conclusions about the dinosaurs' ultimate end when these parameters suddenly changed, but that aspect is only secondary to the more fundamental question, namely: given their enormous size, what made it possible for these creatures to live and function in the first place?
predator pry

Not quite a "National Geographic" take

For the impatient:

Given what we know about the size and function of the various giant dinosaurs, their existence in the past is far from trivial. Can an eight ton predator -- twice as big as the African-Elephant -- stalk and give chase to prey similar to how a lion or a tiger would?
(Apart from Jurassic Park III, that is.)

A simple analysis based on fundamental physics seems to suggest that nature sets a limit on how big animals can grow and still remain viable on some hypothetically existing planet of a given size; (where the animals maximum possible size is inversely proportional to their planet size).

This in fact refers to the weight of a creature rather than its sheer size, which leads to an inescapable conclusion that despite their size, the dinosaurs must have weighed no more than the their function-corresponding animals alive today (predators and plant-eaters).

From the three factors that determine the weight of an object, the only one that realistically may have been different at the time of the dinosaurs, is the speed of the earth's rotation. If we are to conclude that the earth was indeed spinning faster at that time, it would have given rise to a higher centrifugal force. This force, which opposes gravity, would cause these big animals to weigh no more than what their big counterparts weigh today and everything would 'fall in place', so to speak (including 40 feet wingspan, cold blooded birds).

'What is next then?'

The following will attempt to prove that giant creatures of the dinosaurs given size could not have existed and functioned on earth with some of its presently physical parameters. A condition that could make it possible for them to exist, will then be outlined and hypothetical events which could have changed these parameters will be proposed. Last, but not least, a simple procedure that can be carried out by an informed reader to either prove or disprovethe suggested hypothesis, in part or in whole, will be described.

(See also under comments why dinosaurs remained cold blooded and how a bird, with 40 feet wingspan, could fly.)

Next: The bigger they are ...

congratulations for reading

Don't care much about Chinatown?

How about scrutinizing a multiverse... It's About Time

Or, maybe take a look how
Maxwell and his equations are = Aristotle and his house fly
Maxwell's equations (without the equations)

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