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Free Ebooks DownloadWelcome to DL4ALL.org – your ultimate destination for ebooks across every genre. Whether you’re into fiction, self-help, education, or niche topics, we offer an extensive library to satisfy your thirst for knowledge and entertainment. Why Choose DL4ALL.org?
Start your reading journey today on DL4ALL.org and unlock a world of imagination, knowledge, and inspiration!  How and Why Soap Works: Thirty Home Experiments Exploring the Science of Surfactants English | 2026 | ISBN: 1837676518 | 296 Pages | EPUB (True) | 6 MB Soap has been used for centuries worldwide and is key to health and hygiene. But how exactly does soap work? What is in it, and how do the ingredients come together to make something that can remove dirt and bacteria yet also be safe for our skin?  How Impacts Are Created In Academia: Navigating Impact Channels, Zones, And Design Thinking English | 2026 | ISBN: 9819808421 | 232 Pages | EPUB (True) | 3 MB How Impacts Are Created in Academia offers a fresh approach for aspiring academics seeking to make a lasting impact across various domains. Drawing on the experience of the impact creation journeys of nine academics, the author introduces the Impact Channels-Zones-Designs (CZD) framework of impact creation, which summarises impact channels and impact zones.This book provides a suite of impact creation tools for academics to strategically plan for maximum impact and broaden their influence. Designed to support academics in addressing real-world challenges, these tools guide users in defining impactful goals, engaging stakeholders, and measuring success across research, teaching, and community outreach. By integrating these structured frameworks into their work, academics can transform their expertise into meaningful contributions that reach beyond traditional academic boundaries and impact designs.  How Data Need People: The Social and Epistemic Practice of a Data-Rich Science English | 2026 | ISBN: 1009686720 | 302 Pages | PDF (True) | 14 MB From genome sequencing to large sky surveys, digital technologies produce massive datasets that promise unprecedented scientific insights. But data, for being good to use and reuse, need people - scientists, technicians, and administrators - as embodied, evaluative, social humans. In this book, anthropologist Götz Hoeppe draws on an ethnography of astronomical research to examine the media and practices that scientists and technicians use to instruct graduate students, make diagrams for data calibration and discovery, organize collaborative work, negotiate the ethics of open access, encode their knowledge in datasets - and undertake social inquiries along the way. This book offers a reflection on the sociality of data-rich research that will benefit attempts to integrate human and machine learning. It will be of interest for students and scholars in data science and science and technology studies, as well as in anthropology, sociology, history, and the philosophy of science. This book is also available Open Access on Cambridge Core.  Housing Standardisation and Design Governance English | 2026 | ISBN: 1032679166 | 331 Pages | PDF (True) | 37 MB Equitable access to decent housing remains a major global challenge, particularly for lower-income populations reliant on subsidised, affordable homes. This is exacerbated by the continued commodification of housing, demographic change, and the increasing time many people now spend at home. Addressing these challenges requires, as this book argues, stronger state intervention, closer cooperation between housing regulators, providers, and occupants, and a more robust evidence base that links housing policy, supply, quality, and design, along with a shift towards more long-term social and environmental housing values.  History, Calendar and Skylore of the Incas at the Time of the Spanish Conquest English | 2026 | ISBN: 3032123151 | 559 Pages | PDF (True) | 60 MB A significantly expanded translation of the author's Pachap vnancha: El calendario metropolitano del Estado Inca, this book is the culmination of several decades of research on Andean calendar-astronomical systems and their role in the ceremonial, economic and political aspects of the region's pre-Hispanic societies. This book presents a reconstruction of the state calendar used in Inca Tahuantinsuyu for purposes of programming, coordination and control of various social activities on an imperial scale. Although the correlation between Mesoamerican calendars and the Julian calendar has long been used to interpret events in that part of the world, this work is the first of its kind for the Andean region.  History of Mathematical Sciences: Portugal and East Asia VI: Measuring Time, Heaven and Earth English | 2026 | ISBN: 3032140269 | 305 Pages | PDF EPUB (True) | 66 MB This book presents high-quality papers on the History of Mathematical Sciences, focusing on Portugal and East Asia, a testament to ongoing international collaboration in uncovering the rich, interwoven histories of science, culture, and diplomacy across continents. This volume explores the profound impact of mathematical and scientific exchanges between Europe, and in particular, Portugal, and East Asia, emphasizing how time, space, and cosmological understanding were shaped and transformed through intercultural contact. Chapters range from Jesuit mechanical clocks in Japan to reinterpretations of Euclidean logic in Chinese translations, from the mapping of early Portuguese planispheres to Qing dynasty astronomical reform. Featuring contributions by leading historians of science, this collection sheds light on the individuals-Jesuits, scholars, artisans-who bridged cultures and shaped knowledge across early modern Eurasia. It offers a unique lens into how mathematics and cosmology were not only tools of measurement but also vehicles of cross-cultural dialogue and power. This book is essential for historians of science, mathematics, and East-West relations.  History of Earth Sciences English | 2026 | ISBN: 1789452317 | 317 Pages | PDF (True) | 32 MB The creation of the Comité français d'histoire de la géologie (COFRHIGEO) in 1976 aimed to convene geologists, philosophers and historians interested in contributing to a written history of geology, which was at that time still in its infancy.  High-Performance Computing and Artificial Intelligence in Process Engineering English | 2025 | ISBN: 0750361727 | 309 Pages | PDF EPUB (True) | 82 MB High-performance computing (HPC) and artificial intelligence (AI) in process engineering involve complex system modelling, data analysis, optimization design, and real-time monitoring. Key methods include data integration, model construction, optimization algorithms, machine learning, deep learning, parallel computing, and real-time analytics. These techniques significantly enhance production efficiency, reduce costs, and improve system stability. They also promote industrial intelligence, creating new opportunities and challenges in process engineering. This integration supports the advancement of Industry 4.0 and smart manufacturing.  High Performance Spark: Best Practices for Scaling and Optimizing Apache Spark English | 2026 | ISBN: 1098145852 | 442 Pages | EPUB | 6 MB Apache Spark is amazing when everything clicks. But if you haven't seen the performance improvements you expected or still don't feel confident enough to use Spark in production, this practical book is for you. Authors Holden Karau, Adi Polak, and Rachel Warren walk you through the secrets of the Spark code base and demonstrate performance optimizations that will help your data pipelines run faster, scale to larger datasets, and avoid costly antipatterns.  High Performance Computing for Intelligent Medical Systems English | 2021 | ISBN: 075033813X | 354 Pages | EPUB (True) | 9.4 MB The interface of high-performance computing, computational intelligence and medical science creates intelligent medical systems which offer significant improvements in the quality of life and efficacy of clinical treatment. This book reviews advances and applications of high-performance computing for medical applications. |
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