The property of the parabolic shape to reflect all sound symmetrically results in multiple REFLECTIONs known as 'slap echoes' when larger structures have this shape. Sound Example: Multiple ECHOes ...

Just like destroying an ant colony with a magnifying glass, there’s nothing like cooking hot dogs and roasting marshmallows with a nice parabolic ... with some very reflective aluminum tape.

Also called a "dish" or "mirror," parabolic antennas are used for satellite signals and planetary telescopes. The reflective mirror design can also emit energy such as in a flashlight or ...