|
Un article trouvé pour ce sujet.
 |
|
|
|
|
|
|
|
|
Satellite dishes |
1999-02-10 |
|
Katherine Shaw pose la question :
I have read your information on 'Why are satellite dishes parabolic", and I know the reciever should be placed at the focus of the parabola. Could you test this with lights beams and a parabolic mirror, or would light beams behave differently. Thanks.
Jack LeSage and Harley Weston lui répond. |
|
|
|
