[RinaseaofDs]

It shows up on scales. I can tell you that.

Scales are guages that measure the gravitational pull of a certain object.

[BobS]

"Scales are guages that measure the gravitational pull of a certain object."

And Isaac Newton figured it out after he was boogying down the street one day and some kid dropped an apple on his head! Then came velocity and acceleration. Now they us a Fournier transform of the phase, amplitude and distance of an RF source and reciever.

[Julliardsux]

It measures the effect of gravity, not the gravity itself - therefore, it is like looking to the effect of this man's NDE - his change in life - to measure the NDE.