The origin of the idea of moving objects by acoustic vibration can be traced back to 1787, when Ernst Chladni reported the first detailed studies on the aggregation of sand onto nodal lines of a ...
A killer game of hide and seek.
Aluminium cooking pots are omnipresent in Goudoubo and Kakuma camps. They can be found perched on rooftops, stacked in narrow doorways and perched atop the wood fires burning in countless households.
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