Revisions Log

A log of revisions to articles and news stories.

Feb 19 2025 - The new article provides a more structured and technical overview of aluminum’s properties, categorizing them into physical and mechanical attributes while also highlighting sustainability aspects. It introduces key material characteristics such as density, melting point, electrical and thermal conductivity, and corrosion resistance with more precise numerical values. The section on mechanical properties is expanded, detailing strength variations across different aluminum alloys and explaining factors like fatigue and impact resistance. Additionally, the article enhances the sustainability discussion by emphasizing aluminum’s recyclability and recent advancements in recycling aircraft-grade alloys. Overall, the revision shifts from a general discussion to a more in-depth, data-driven analysis, making it more informative for industrial and scientific audiences.

What Are the Properties of Aluminum?

Feb 7 2025 - The updated article provides a more structured and in-depth exploration of recent changes to the periodic table, focusing on the discovery of new elements and advancements in atomic weight measurements. It expands the discussion from two elements (flerovium and livermorium) to six newly recognized elements (nihonium, flerovium, moscovium, livermorium, tennessine, and oganesson), detailing their synthesis processes and significance. The revision also shifts the explanation of atomic weight changes from a simple listing of adjustments to a broader discussion on isotope variations and the adoption of interval notation by IUPAC. Additionally, it introduces advancements in superheavy element (SHE) research, emphasizing recent fusion reaction studies aimed at discovering elements beyond atomic number 118. The article closes with a future outlook, highlighting the role of AI, quantum physics, and theoretical modeling in shaping the next phase of periodic table updates.

20 Years of Discovery: How Has the Periodic Table Changed Over Time?

Feb 5 2025 - Old Title: Bromine - Discovery, Occurrence and Applications of Bromine Chemical Formula New Title: What Is Bromine Used For?

What Is Bromine Used For?

Feb 5 2025 - The new article improves clarity, structure, and readability while refining technical details and emphasizing modern applications. It updates bromine’s description, highlighting its halogen classification. The occurrence section now provides a clearer explanation of bromine’s natural sources, including specific concentrations in seawater, salt lakes, and brine wells, and expands on major production sites such as Israel, Jordan, China, and the U.S. Applications are reorganized and expanded for better readability. The water purification section now explains bromine’s disinfectant properties in swimming pools and industrial systems, emphasizing its effectiveness against bacteria and viruses. The agriculture section highlights bromine’s role in pest control, herbicides, and fungicides, mentioning the decline of methyl bromide due to environmental concerns. The automotive section is modernized by removing outdated references to leaded fuel and introducing zinc–bromine flow batteries as a future energy storage solution. The healthcare section removes references to outdated sedatives and focuses on bromine’s role in antiseptics, antibacterial drugs, and pharmaceutical synthesis, particularly in cancer and neurological treatments. The photography section maintains historical context but acknowledges the shift toward digital imaging while noting bromine’s continued use in X-ray films. The flame retardants section expands on brominated flame retardants (BFRs), explaining their applications in electronics and engineering polymers, while also addressing environmental concerns and ongoing research into alternatives.

What Is Bromine Used For?

Jan 16 2025 - The updated article introduces tungsten carbide with a clear definition, emphasizing its composition, density, and sintering-based manufacturing process. The historical overview is reorganized to highlight key milestones, such as tungsten's discovery and the development of cemented carbide, alongside advancements in grain sizes from the 1920s to today. Manufacturing details are expanded to include modern techniques like solvent extraction, hydrogen reduction, and advanced sintering technologies, illustrating their impact on the material's uniformity and performance. The applications section is enhanced with detailed examples of tungsten carbide's use in mining, cutting tools, wear parts, coatings, electronics, and industrial processes. A new focus on electronics highlights the role of ultrafine tungsten carbide in PCB drilling, emphasizing its precision and importance in modern electronics manufacturing. The coatings section is expanded to cover advancements from single-layer to multilayer coatings, demonstrating significant improvements in tool longevity and efficiency.

What Is Tungsten Carbide Used For?

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Editorial Highlights

The Current State of the Global Semiconductor Market

The Current State of the Global Semiconductor Market

The global semiconductor market has entered an exciting period. Demand for chip technology is both driving the industry as well as hindering it, with current chip shortages predicted to last for some time. Current trends will likely shape the future of the industry, which is set to continue to show

How are Graphene Batteries Made?

How are Graphene Batteries Made?

The primary distinction between graphene-based batteries and solid-state batteries lies in the composition of either electrode. Although the cathode is commonly changed, carbon allotropes can also be employed in fabricating anodes.

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