Discussions, summarized

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• Hacker News1Quarkdown: A modern Markdown-based typesetting systemQuarkdown is a modern Markdown-based typesetting system that can compile projects into print-ready books or interactive presentations. It extends Markdown with functions and scripting capabilities, offering versatility through its standard library for layout building, I/O, math, and programming features.Comparison with existing tools:Discussion contrasts Quarkdown with Typst, Quarto, and LaTeX, debating their features, learning curves and HTML export capabilities. Users question accuracy of comparison table and debate merits versus existing solutions.Markdown compatibility concerns:Users debate how well Quarkdown aligns with Markdown's simplicity and syntax. Some argue its function-based approach deviates too far from Markdown's ease of use, while others appreciate the added capabilities.Use case considerations:Discussion about whether Quarkdown and similar tools are too focused on academic papers rather than diverse document types like forms, flyers and business cards. Debate on suitability for different publishing needs.
• Reddit science1Using scented products indoors changes the chemistry of the air, producing as much air pollution as car exhaust does outside, according to a new study. Researchers say that breathing in these nanosized particles could have serious health implications.Using scented products indoors, such as flame-free candles and wax melts, can create significant indoor air pollution comparable to car exhaust. Research by Purdue University found these products release nanosized particles that can penetrate deep into lungs and potentially enter the bloodstream, posing serious respiratory health risks.Misleading title scope:Discussion about how study only focused on wax melts but title suggests all scented products, with debate about whether findings could logically extend to other scented itemsHealth concerns from chemist:A chemist's perspective against using scented products leads to sharing of personal health impact stories, from COPD to cancer cases, and debate about necessity of artificial scentsAir purification solutions:Discussion of HEPA filters and other air purification methods as solutions, with debate about effectiveness against different types of pollutants like VOCs and nanoparticles
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