Space News Archive - April 30, 2010
The king of 3D, â€œAvatarâ€ director James Cameron, is helping NASA build a high-resolution camera that will bring 3D technology to the next-generation Mars rover.
Near-Earth asteroid 2005 YU55 was "imaged" by the Arecibo Radar Telescope in Puerto Rico on April 19.
- 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.