The M5 CS followed a pathway lead by the F87 M2 CS and proved that BMW M was on some serious form at at the start of the decade, securing back-to-back victories at our evo Car of the Year competition, ...
On 17 February 1869, Russian chemist Dmitri Mendeleev jotted down the symbols for the chemical elements, putting them in order according to their atomic weights and inventing the periodic table. He ...
Making a perfect lens that produces flawless images has been a dream of lens makers for centuries. In 1873, Ernst Abbe discovered a fundamental 'diffraction limit' in optics: whenever an object is ...
The covalent radius (a measure of how large individual atoms are) shows different trends if you are moving across a period or down a group. A comparison of the relative covalent radii of atoms is ...
The final, formatted version of the article will be published soon. The extracellular potential surrounding neurons is of great importance: it is measured to interpret neural activity, it underpins ...
Abstract: Detailed design of a four element microstrip antenna array fed by a Butler matrix is presented. The proposed structure represents a switched-beam smart antenna system working in the ISM band ...
Abstract: This paper presents a novel dual-band base station antenna array using filtering antenna elements for size miniaturization. It consists of two 1 × 6 subarrays arranged side by side, which ...
Department of Adolescent Sports Medicine, Qingdao Municipal Hospital, Qingdao, China Introduction: To develop a new approach for clubfoot treatment assessment using a non-radiological scanner and ...
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