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
53 How can the Earth keep spinning with a liquid core? jun 15 '14
31 Do gravitational lenses have a focus point? jan 2 '14
31 Do low frequency sounds really carry longer distances? nov 25 '13
22 Why doesn't light kill me? may 17 '13
20 Physics the Why vs. How question? dec 14 '13
17 Binary Star system with one star stationary? feb 6 '14