illuminating a focal point fresnel lens parabolic mirror Double the focal length part 1

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  • เผยแพร่เมื่อ:  วันจันทร์ที่ 9 กันยายน พ.ศ. 2556
  • See the focal point of a fresnel lens and a parabolic mirror.
    This is a video from 2008. Youtube allowed the rights of the original 2008 video to be stolen by a 3rd party music company. The ROYALTY FREE MUSIC WAS FROM GARAGEBAND. NEVER USE GARAGEBAND FOR ANYTHING ON YOUTUBE.

    The GarageBand software license agreement says:

    "GarageBand Software. You may use the Apple and third party audio loop content (Audio Content), contained in or otherwise included with the Apple Software, on a royalty-free basis, to create your own original music compositions or audio projects. You may broadcast and/or distribute your own music compositions or audio projects that were created using the Audio Content, however, individual audio loops may not be commercially or otherwise distributed on a standalone basis, nor may they be repackaged in whole or in part as audio samples, sound effects or music beds."

    So don't worry, you can make commercial music with GarageBand, you just can't distribute the loops as loops.

    Last Modified: Aug 27, 2008
  • Source: https://youtu.be/xyKjYvBXBiw
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