Engineering
A team of mechanical engineers from Chung-Ang University, Massachusetts General Hospital, LS Materials and Yonsei University has found that a hand-held cylinder containing crumpled aluminum foil balls is capable of producing ...
Energy & Green Tech
A recycling method developed by Karlsruhe Institute of Technology (KIT) recovers up to 70% of lithium from battery waste without corrosive chemicals, high temperatures, and prior sorting of materials being required. The method ...
Mar 30, 2023
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154
Electronics & Semiconductors
One month after announcing a ferroelectric semiconductor at the nanoscale thinness required for modern computing components, a team at the University of Michigan has demonstrated a reconfigurable transistor using that material.
Mar 8, 2023
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67
Engineering
Quantum processors are computing systems that process information and perform computations by exploiting quantum mechanical phenomena. These systems could significantly outperform conventional processors on certain tasks, ...
Energy & Green Tech
Metal-air batteries are one of the lightest and most compact types of batteries available, but they can have a major limitation: When not in use, they degrade quickly, as corrosion eats away at their metal electrodes. Now, ...
Nov 8, 2018
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112
Energy & Green Tech
A team of researchers at the University of New South Wales has found that due to increased demands for solar panels in the coming years there will be a corresponding increase in the need for aluminum to support them. In their ...
Energy & Green Tech
As climate change intensifies summer heat, demand is growing for technologies to cool buildings. Now, researchers report in ACS Energy Letters that they have used advanced computing technology and artificial intelligence ...
Nov 2, 2022
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88
Engineering
When Ford began building the F-150 with mostly aluminum bodies in 2014, the popular truck slimmed down by about 700 pounds. That change was designed to improve gas mileage and save money at the fuel pump. Even more weight ...
Oct 26, 2021
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9
Engineering
MIT researchers have developed an additive manufacturing technique that can print rapidly with liquid metal, producing large-scale parts such as table legs and chair frames in a matter of minutes.
Jan 25, 2024
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40
Engineering
Scientists in Japan have developed a machine learning approach that can predict the elements and manufacturing processes needed to obtain an aluminum alloy with specific, desired mechanical properties. The approach, published ...
Aug 3, 2020
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14
US i/əˈluːmɨnəm/ ə-loo-mi-nəm
Aluminium or aluminum (US English) is a silvery white member of the boron group of chemical elements. It has the symbol Al, and its atomic number is 13. It is not soluble in water under normal circumstances. Aluminium is the third most abundant element (after oxygen and silicon), and the most abundant metal, in the Earth's crust. It makes up about 8% by weight of the Earth's solid surface. Aluminium metal is too reactive chemically to occur natively. Instead, it is found combined in over 270 different minerals. The chief ore of aluminium is bauxite.
Aluminium is remarkable for the metal's low density and for its ability to resist corrosion due to the phenomenon of passivation. Structural components made from aluminium and its alloys are vital to the aerospace industry and are important in other areas of transportation and structural materials. The most useful compounds of aluminium, at least on a weight basis, are the oxides and sulfates.
Despite its prevalence in the environment, aluminium salts are not known to be used by any form of life. In keeping with its pervasiveness, it is well tolerated by plants and animals. Because of their prevalence, potential biological roles, beneficial and otherwise, aluminium compounds are of continuing interest.
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