Latest Chang Feng Stories
What do you get when you combine polarized radiation with Einstein's theory of general relativity? According to a group of astrophysicists at UC San Diego, you just might get more accurate estimates for the mass of ghostly subatomic particles known as neutrinos.
BEIJING, May 12 /PRNewswire-Asia/ -- GONOW Auto 2010 International commercial conference was held in Beijing on April 26, 2010 with the theme of "Today, Tomorrow, Together".
- A pivoted catch designed to fall into a notch on a ratchet wheel so as to allow movement in only one direction (e.g. on a windlass or in a clock mechanism), or alternatively to move the wheel in one direction.