Videos: 39 Tap
In this video tutorial, Denys van Kempen discusses what's new for application lifecycle management in SAP HANA SPS 11. Thank you for watching. Video by the ...
Disclaimer statement: This video link from youtube. The point of this video or rights belongs to the authors and publishers. We take no responsibility for the content of this video and legitimacy.
Do you have any questions about this video, please contact the video source.
Or contact us
A styrophone is an acoustic device made from expanded polystyrene foam (often referred to by the genericized trademark styrofoam). There are at least two varieties:
The musical instrument consists of a foam box that is forced to vibrate by a variety of means, such as friction against a wooden stick. Technically, that instrument is a type of friction idiophone. Styrophones tend to last for only one performance, as the friction destroys the material. 
The loudspeaker is a cheap home-made variety that consists of a crystal earpiece attached to a cone made from a foam cup or sections of packing material.