Somebody’s reading my mail! This is Sandra Tsing Loh with the Loh Down on Science. Three hundred years ago, letters had no envelopes. Instead, people folded them to make sure they could be delivered safely. Historians have found over five hundred unopened letters from Renaissance Europe. Is there a way
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Inspired by ancient Banksy? This is Sandra Tsing Loh with the Loh Down on Science. From kids’ doodles to Grandma’s watercolors – our artwork is precious! Turns out, ancient people living on the Indonesian island of Sulawesi thought so too! Their artwork drawn on limestone rocks twenty thousand years ago
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Somebody’s reading my mail! This is Sandra Tsing Loh with the Loh Down on Science. Three hundred years ago, letters had no envelopes. Instead, people folded them to make sure they could be delivered safely. Historians have found over five hundred unopened letters from Renaissance Europe. Is there a way
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Picture the past… If you can! But can you? This is Sandra Tsing Loh with the Loh Down on Science. The first photographs were daguerreotypes. They were developed using mercury and gold instead of silver, which came later. These pieces of history are tarnished and may be lost forever! Or…
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