There isn't a place on the face of the Earth where there is no gravity acting. This means that every object we ever come...

Physics Narrative 11-14

Once again, here is a distinction made in the sciences that everyday conversations don't bother with. Statements such as: The...

Teaching Guidance 11-14

There isn't a place on the face of the Earth where there is no gravity acting. This means that every object we ever come...

Physics Narrative 5-11

The GRACE satellites, (see also page 6), use microwave beams to measure tiny changes to distributions of mass in the Earth...

Stories from Physics 11-14 14-16