| Synth notes bob, bend and warble, producing a strange, droning, Doppler effect, whizzing past the listener like vehicles on a Tron superhighway. |
| The inverse Doppler effect is not something you can hear, but understanding it could one day lead to important advances in optics and communications equipment. |
| In the astronomical setting, the Doppler effect applies to light. |
| The Doppler effect is one method, as this key stage 4 resource from Royal Observatory Greenwich explains. |
| The Doppler effect is a change in the frequency of sound waves caused by moving objects. |
| The student can gain experience in the properties of US waves, and also easily study the Doppler effect extensively used in security systems. |
