Recent content by Swami

Thanks, A.T. -- those are really useful videos!

alasange, I recently found this video on youtube, which I think really helps with visualizing how the warping of space, rather than some active force between two objects, is what "binds" objects with gravity together, including planetary bodies. https://www.youtube.com/watch?v=MTY1Kje0yLg This...

I have a question about density: would it, in principle, be possible to create something with greater density and hardness than, say, Osmium? Or is that impossible? Is density constrained by the elements of the periodic table, or can something with greater density be created? The finished...