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Built in the Stone Age: Egypt’s Great Pyramid was likely constructed before the pharaohs as early as 40,000 BC
A recent geological study is reigniting debate around the origins of Egypt’s Great Pyramid of Giza. Released in late 2025, the report presents a bold claim: the monument’s exposed limestone blocks may ...
Photonic Generation of Flexible and Adjustable Triangular and Square Waveforms Based on a Comparator
Abstract: A photonic approach to generating triangular and square waveforms using a comparator is proposed. Beginning with a sinusoidal waveform, a comparator comprising two Mach-Zehnder modulators ...
Abstract: The two-stage defect detection model needs to pay attention to the results of the segmentation network and the classification network, and the results of the segmentation network will have ...
Those battling chronic illness know what a long, difficult battle it is to get well again, understanding all too well that old sentiment, You don’t realize how important your health is until you lose ...
The Great Pyramid of Giza is the last remaining Wonder of the Ancient World and mystery still surrounds it to this day. The square-based pyramid, a shape which usually has four sides, is the most ...
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