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Posted 1 year ago by Grandpa in category: interesting   Comments (0)


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Posted 6 months ago by nikkiphillippi in category: interesting   Comments (0)


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



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Posted 15 years ago by boyt in category: interesting   Comments (0)


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The Hazards of Electricity
Posted 10 years ago by andrej in category: interesting   Comments (0)