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How many elephants per olympic-sized swimming pool? Per (american) football field?

I have never seen any of those things in real life, yet journalists making stupid comparisons. I guess the field must be full of people that were deathly afraid of maths and numbers.

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Wait, wouldn't a football field be a unit of area? How many elephants per cubic football field?

A football field is an area, so a cubic football field would be a six-dimensional volume.

They are talking about a (cubic football) field. Cubic football is played in three dimensional 'fields', not on flat patches of grass.

How do you make a cubic football roll?

You don't. Why would that be a requirement?

In regular football the spherical ball spends more time in the air than rolling, too. And in popular variants like Australian rules football or Rugby the ball is egg shaped, and that doesn't seem to cause any problems with enjoyment of these sports.

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