Solar cells are an increasingly important source of renewable energy, but there’s still room for improvement. Stanford engineers have now developed a pyramid-shaped lens that can focus sunlight from ...
Egypt is opening up its 4,600-year-old 'bent' pyramid and letting people go deep inside its chambers
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They hope to fill a major void in Egyptological scholarship. An ultra-powerful scan of Egypt’s Great Pyramid of Giza could help identify two mysterious spaces that potentially house the legendary tomb ...
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