Does anyone know the cause(s) of a high frequency sound that occurs on monitors for certain screens (this seems mostly when white but not always)? It seems to happen on both my new Samsung 900IFT and ...
Scientists from the Royal Melbourne Institute of Technology in Australia have managed to regrow bone by firing high-frequency sound waves at stem cells, a potential breakthrough in regenerative ...
Our hearing picks up a limited range of sounds, limits that were used successfully to keep teenagers from congregating outside British grocery stores by a device called the “teenage sound repeller." ...
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