singing sand उदाहरण वाक्य

उदाहरण वाक्य

1. They reported this month in the journal Nature that when a jar of silica gel particles of the same size as singing sand grains is shaken, the particles emit a loud sound with a frequency of about 450 cycles per second _ a note roughly the same as A above Middle C.
2. Formed by the merger of Indiana Lakeland Girl Scout Council, Girl Scouts of Limberlost Council, Girl Scouts of Singing Sands Council ( except for a part that joined Girl Scouts Heart of Michigan ), and Girl Scouts of Tribal Trails Council ( except for a part that joined Girl Scouts of Central Indiana ).
3. As the sand is moved due to winds or is in the process of collapse due to small avalanches, a strong sound is made giving it the name " Singing Sands . " A French team has explained this phenomenon as due to a thin surface coating of slate over the sand grains which causes the sand to make a resonant sound.