On Apr 25, 1:43Â*am, wrote:
Nature isn't always intuitive.. for example:

Every object has it's own gravity field;
but it's hard to imagine because it's 4-D, invisible and unblockable,
so you can't model it using common concepts like 3-D billiard balls.

Dear Jeff: Remember this: TIME is a VARIABLE, not a dimension! There
are only three dimensions. — NoEinstein —