Recent content by exwso2001

Thanks Chalnoth This is all pretty much over my head. I better stick to my paleontology hobby (fighting over whether something is a blastoid, crinoid, or geode that just looks like one). I guess I also shouldn't loose sleep over the universe being ripped apart by dark energy many billion...

Thanks Nereid You and Vanadium 50 have both been helpful.

Thanks So even if the stars were closer, the amount of attraction that the black hole would exert would not be that much greater than what is happening today. Are the reports of black holes gobbling up galaxies just hype.

I'm a non-scientist - that watches way too many TV science programs - that is having trouble putting the pieces together. I am always hearing about how much visible matter is missing from the universe. I am also hearing about how (it is now believed) that every galaxy contains a massive...

No offense. Like I said I'm no scientist. I just read about frogs suspended in strong magnetic fields and superconductivity where a current can last nearly forever, and wondered - No one would have believed these events possible in the past - so what else is possible. Einstien mentioned it's...

I'm an IT person - non-scientist - but this problem has challenged me ever since high school physics: If two permanent magnets - pole to like pole - repel each other, the magnet suspended possesses potential energy. If a material can be found (that is non-magnetic and without any power...