I like puzzles and hard problems. I don't know much about physics but I keep learning.
73 Why can we see the dust particles in a narrow beam of light (and not in an all lighted area)? Nov 11 '13
52 How can the Earth keep spinning with a liquid core? Jun 15 '14
42 Do low frequency sounds really carry longer distances? Nov 25 '13
31 Do gravitational lenses have a focus point? Jan 2 '14
21 Why doesn't light kill me? May 17 '13
21 Physics the Why vs. How question? Dec 14 '13
17 Binary Star system with one star stationary? Feb 6 '14