bluewaterrider
Senior Member
Originally posted by Shakyamunison
Is bluewaterrider talking about things like gravity or quinton [quantum] mechanics when he says "fundamental truths"?
Bluewaterrider is, indeed, talking about things like gravity.
That is, in fact, why Bluewaterrider included " ... under ordinary conditions" as part of that definition.
He had Stephen Covey in mind foremost; he also had Neil DeGrasse Tyson and the 21 to 56 second range of the following video when he wrote that:
https://www.youtube.com/watch?v=h1iJXOUMJpg
5 min 34 sec
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" ... [J]ust to put that in context:
If you wanted to escape the Earth,
it's actually possible to do that --
contrary to what your grandparents told you.
Where they said "What goes up, must come down"?
That's just not true.
Well, there's nothing your grandparents ever threw that never came down.
But rockets, with high enough speed ...
You can send something so it never comes back.
For Earth, that speed is 7 miles per second, and we call that the escape velocity ...
[but]most of life experience tells you that what goes up comes down ..."
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