This claim is based on the use of pulse radar devices by experts to create high-resolution images deep underground beneath the structures, in the same way that sonar radar is used to map the depths of ...

School of Metallurgical Engineering, Xi’an University of Architecture and Technology, Xi’an 710055, China ...

A groundbreaking study using advanced radar technology has revealed a vast and intricate underground structure beneath the Pyramids of Giza. Scientists Corrado Malanga from the University of Pisa and ...

Department of Chemistry and Biotechnology, Graduate School of Engineering, Tottori University, 4-101 minami, Koyama-cho, Tottori 680-8552, Japan Center for Research on Green Sustainable Chemistry, ...

Sodium nitrate is often also added with such food preservatives to provide a reservoir for nitrite. Molecular formula: The formula for the nitrate ion is NO 3-. The formula for the nitrite ion is NO 2 ...