Why your 'squeaky clean' hand-washed dishes might not be clean at all |

Why your ‘squeaky clean’ hand-washed dishes might not be clean at all |

Visually clean dishes don’t guarantee actual cleanliness, as handwashing often fails to remove invisible residues and bacteria. Studies reveal that manual methods, limited by water temperature and soap chemistry, can even relocate contaminants. There’s something about dishwashing in the kitchen sink with your hands buried in hot water that is very calming – especially after…

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Forget solar panels: This ‘wood battery' powers homes even in total darkness

Wood Battery: Forget solar panels: This ‘wood battery’ powers homes even in total darkness |

A major development in sustainable architecture has enabled researchers to convert ordinary timber into an advanced thermal reservoir. In this case, lignin is removed from wood through chemical modification and phase change materials are added, giving rise to a new product that has been termed ‘solar battery,’ which stores solar energy collected by a building…

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