Questions and Answers

Why don't we see the effect of the gravitational<br>force between the objects in a spacecraft?

Previous Question

(Why don't we see the effect of the gravitational
force between the objects in a spacecraft?)

Questions and Answers Main Index

Next Question

(How cold is liquid nitrogen?)

How cold is liquid nitrogen?

What is a lattice vibration?

The atoms in a crystal are not locked into a rigid pattern but can oscillate around their average position. When a whole group of them does this in a synchronized way we call it a lattice vibration.

Author:

Nathan Isgur, Theory Group Leader (Other answers by Nathan Isgur)