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Posted 2 months ago by Bobb in category: interesting   Comments (17)


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Apparently when stirring hot milk the small air bubbles gets divided in to even smaller ones. Therefore sound travels more times between air and hot milk, in every transition the frequency of the sound gets broadened. The remaining high frequency gets abs
Posted 11 years ago by boyt in category: interesting   Comments (0)


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Posted 11 years ago by boyt in category: interesting   Comments (0)



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The Hazards of Electricity
Posted 6 years ago by andrej in category: interesting   Comments (0)


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Posted 5 years ago by boyt in category: interesting   Comments (0)