Photo detail

Stories this photo appears in:

Tease photo

The greenest of exercise, but he’s still out of breath

So I’m huffing up this hill, thinking how gravity ain’t nearly as reliable a thing as Isaac Newton assumed. I haven’t done the measurements, but I’m pretty certain the gravitational constant has increased slowly, but steadily in the past 50 years.


Use the comment form below to begin a discussion about this content.

Requires free registration

Posting comments requires a free account and verification.