Why is the Big Bang possible? [more inside]
posted on Feb 20, 2008 - 24 answers

Why do videogames with physics simulation always have things fall too slowly? [more inside]
posted on Apr 25, 2006 - 16 answers

If General Relativity is accepted as true, why do Physicists talk about (and look for) Gravitons? [more inside]
posted on Mar 28, 2006 - 14 answers

ScientificIlliterateFilter: If the sun's gravity is so strong as to keep whole planets circling it in orbit (even ones million of miles away), how come light and heat (incredibly fragile things compared to planets) can escape as rays (or whatever they are)?
posted on Nov 14, 2004 - 53 answers