Latest Geochimica et Cosmochimica Acta Stories
Currently, if scientists want to study meteorites that had originated from the red planet, they have to rely upon celestial travelers that arrived on this planet so long ago they now possess characteristics that tell of their time on Earth.
One day, Hawaiian mountains on the island of Oahu could be reduced to nothing more than a flat, low-lying land, according to new research.
- 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.