A shard of smooth bone etched with irregular marks dating back 20,000 years puzzled archaeologists until they noticed something unique – the etchings, lines like tally marks, may have represented ...

May 30 (UPI) --A shard of smooth bone etched with irregular marks dating back 20,000 years puzzled archaeologists until they noticed something unique - the etchings, lines like tally marks, may have ...

The film explores different geometric shapes, focusing on cylinders, rectangular prisms, and pyramids. It describes the properties of each shape, such as the curved surface of a cylinder, the ...

Second-generation beamforming refers to advanced designs using more sophisticated signal processing algorithms, larger antenna arrays, and the ability to generate higher quality, more focused beams ...

Faculty of Exact Sciences, Department of Chemistry, Bar-Ilan University, Ramat Gan 5290002, Israel Advanced Laboratory of Electro-Optics (ALEO), Department of Applied Physics/Electro-Optics ...

Several fields of mathematics have developed in total isolation, using their own 'undecipherable' coded languages. Mathematicians now present 'big algebras,' a two-way mathematical 'dictionary' ...

College of Physics & Electronic Engineering, Xianyang Normal University, Xianyang, China. Chirality, including spiral, propeller, and polymolecular chirality, is a ...