Ebooks de ciencias, página 5 de 9

"The Atmospheric Assassin The inventor who accidentally poisoned the entire planet" tells the biography of Thomas Midgley Jr., often cited as the single organism that had the most destructive impact on the atmosphere in Earths history. A brilliant chemist for General Motors, Midgley solved the problem of engine "knocking" by adding lead to gasoline. Despite knowing it was toxic (he poisoned himself during demos), he pushed it into the global market.Author Oliver Haze recounts how Midgley later tried to solve the problem of dangerous refrigerants and invented Freon (CFCs)the very gas that tore a hole in the ozone layer. The book culminates in his tragic, ironic death: paralyzed by polio, he invented a pulley system to lift himself out of bed, which eventually entangled and strangled him."The Atmospheric Assassin" is a grim study of short-term solutions causing long-term catastrophes. It explores the hubris of industrial chemistry and the decades-long fight to remove lead from the environment.

What stories make childhood unforgettable?The Complete Beatrix Potter Collection Vol. 1 brings together the earliest and most beloved tales by Beatrix Potter, one of the worlds most cherished childrens authors. Featuring charming animal characters, gentle humor, and timeless lessons, these stories have delighted families for generations.From the mischievous adventures of Peter Rabbit to the cozy countryside world Potter lovingly created, each tale blends imagination, warmth, and moral insight in simple, memorable storytelling. Her stories encourage kindness, curiosity, and respect for naturemaking them as meaningful today as when they were first written.This collection is ideal for reading aloud, independent young readers, and adults revisiting a treasured classic.Inside this eBook, youll enjoy:Classic Beatrix Potter stories in one volumeBeloved characters and gentle life lessonsTimeless storytelling perfect for children and familiesA cornerstone collection of classic childrens literatureRead at bedtime, shared across generations, and loved worldwide, Beatrix Potters tales remain essential reading for every family library.Open the door to a world of gentle adventure and timeless charm. Buy now and enjoy Volume 1 of the Complete Beatrix Potter Collection.

"The Dangerous Zero The heretical number that the church tried to ban" tells the biography of a number. For centuries, the West relied on Roman numerals, a clumsy system that had no concept of "nothing." The idea of a void was terrifying to the medieval Church, which associated emptiness with the devil. Zero had to be imported from India and the Arab world, smuggled in by merchants like Fibonacci.Science writer Benjamin Scott traces the battle between the Abacists (conservatives) and the Algorists (innovators). The book explains how the acceptance of zero allowed for the birth of calculus, negative numbers, and modern physics. It is a story of how a mathematical concept clashed with theology."The Dangerous Zero" reveals that the most powerful number is the one that represents nothing. It shows how the acceptance of the void was the necessary first step for humanity to understand the infinite universe.

This cosmological study presents a universe composed of concentric spheres, with the earth fixed at the center and the heavens moving in eternal circles. Aristotle differentiates the corruptible matter of the earth from the incorruptible "aether" of the stars, establishing a dual physics for the cosmos. The text argues for the finiteness of the universe and explores the properties of heavy and light bodies. It is a grand attempt to systematize the physical structure of the entire universe based on observation and logical deduction.

Grouping several short investigations, this text explores the essential physiological functions that sustain life, such as breathing and the regulation of body heat. Aristotle connects the stages of youth and old age to the strength of the vital fire within the heart, viewing death as the eventual extinguishing of this internal heat. The work also considers the phenomena of sleep and dreams as byproducts of sensory processes. It provides a detailed biological account of the life cycle and the maintenance of the living organism.

Aristotle compiles a massive encyclopedia of zoological observations, cataloging the differences and similarities between hundreds of species. The text focuses on the functional anatomy of animals, their reproductive methods, and their behaviors in the wild. It represents the birth of biology as an empirical science, moving from anecdote to systematic classification. The work demonstrates a profound curiosity about the natural world, seeking to find order and purpose in the diversity of life.

The cycles of birth and decay in the physical world are the subject of this scientific inquiry, which explains how elements transform into one another. Aristotle debates the concepts of mixture and growth, refuting earlier atomist theories in favor of a continuous material substrate. The text details how the interaction of hot, cold, wet, and dry qualities drives the perpetual motion of the sublunary sphere. It is a foundational text for understanding the ancient view of chemistry and the conservation of matter.

Criar peixes de estimação é um dos hobbies mais gratificantes e relaxantes, mas os cuidados adequados vão muito além de simplesmente encher um aquário com água. Este e-book é um guia prático e acessí

Prezado(a) Amigo(a),Você está pensando em adquirir um novo animal de estimação para sua família? Talvez esteja considerando várias possibilidades diferentes, ou talvez já tenha decidido que um pássar

Tener peces como mascotas es uno de los pasatiempos más gratificantes y relajantes, pero un cuidado adecuado va mucho más allá de simplemente llenar un acuario de agua. Este ebook es una guía práctica y accesible, diseñada para ayudar tanto a principiantes como a acuaristas experimentados a proporcionar un entorno saludable, seguro y enriquecedor para sus animales acuaticos."Cuidados que debe tener con sus peces" explica los principios esenciales del cuidado de los peces de forma clara y sencilla. Los lectores aprenderan a elegir el acuario adecuado, comprender la calidad del agua, mantener una filtracion adecuada y crear condiciones equilibradas que promuevan la salud y la longevidad de los peces. El libro abarca temas importantes como el control de la temperatura, los niveles de oxigeno, el tamaño del acuario y la importancia de la limpieza y el mantenimiento regulares.La guia tambien aborda uno de los desafios mas comunes para los dueños de peces: la alimentacion. Descubrira como seleccionar el alimento adecuado para diferentes especies, evitar la sobrealimentacion y reconocer las señales de desequilibrio nutricional. Ademas, el libro destaca los problemas de salud comunes en los peces, como identificar las señales de alerta tempranas y que medidas preventivas pueden reducir el estres y las enfermedades. Mas alla del cuidado tecnico, este ebook enfatiza la tenencia responsable de mascotas y el bienestar animal. Esta guia ayuda a los lectores a comprender el comportamiento de los peces, la compatibilidad entre especies y como crear un entorno que minimice el estres, promoviendo actividades naturales y el bienestar.Tanto si se inicia en el mundo de los acuarios como si busca mejorar el suyo, esta guia ofrece consejos practicos que pueden marcar la diferencia en la vida de sus peces. Con los conocimientos adecuados y el cuidado diario necesario, su acuario puede convertirse en un ecosistema prospero y tranquilo, y este ebook le muestra exactamente como lograrlo.

Prezado(a) Amigo(a),Houve momentos em que voce, como dono(a) de um cachorro, se sentiu cada vez mais frustrado(a). Seu co no quer obedecer aos seus comandos e fazer o que voce manda. Mesmo tentando persuadi-lo(a), as vezes no funciona.Todos os ces tem problemas de comportamento. No importa a raça; voce pode se deparar com obstaculos ao tentar faze-lo(a) parar com o mau comportamento. Ha momentos em que voce precisa ser firme e lidar com a situaço. Seu co fara o que voce diz ou voce o mandara embora. E claro que, se voce ama ces, no quer fazer a segunda opço.Os ces ainda so e sempre sero os melhores amigos do homem, mas tambem precisam se comportar como tal. Um comportamento cada vez pior no os ajudara a manter a boa vontade de seus donos. Os donos de ces que buscam uma soluço para esse problema precisaro se adaptar a metodos de adestramento comportamental que faro com que seus ces mudem completamente de comportamento.Aqui esto alguns dos motivos pelos quais seu co pode se comportar mal:Seu co no esta acostumado a ficar separado de voce por um periodo de tempo.Ha falta de comunicaço entre voce e seu co.Voce no esta reforçando os comandos que seu co precisa obedecer.Voce no esta sendo consistente em fazer com que seu co mude seus maus habitos.Voce esta permitindo que outros façam o oposto do que voce esta tentando ensinar ao seu co.Existe uma soluço...Com o guia de Obediencia Canina (Adestre Seu Co Eficazmente para ACABAR com os Problemas de Comportamento!), voce, como dono, podera fazer mais pelo seu co em termos de faze-lo obedecer aos seus comandos. Ele precisa aprender a ser obediente e a fazer o que voce diz, dentro do razoavel. Ele precisa entender que voce e o dono e que deve respeita-lo como tal. Ele precisa compreender que a desobediencia no sera mais tolerada em sua casa.E melhor começar o adestramento quando ele ainda e filhote. Tambem e mais facil começar quando eles ainda so jovens. Quanto mais voce esperar, mais dificil sera faze-los obedecer as suas ordens. Ces so como crianças. Voce precisa ensina-los o que devem fazer. Quando fizerem algo errado, voce precisa disciplina-los e corrigi-los para que façam da maneira correta.Voce precisa comunicar ao seu co qual comportamento e aceitavel e qual e inaceitavel. Eles precisam saber qual e a sua posiço em relaço a tudo. Voce precisa ser consistente e garantir que eles saibam que voce esta falando serio.

Adestrar um gatinho pode ser confuso, frustrante e até mesmo assustador para donos de gatos de primeira viagem. Ao contrário dos cães, os gatinhos não respondem a comandos da mesma forma, e mal-enten

Esta edição reúne conteúdos essenciais de Ciências da Natureza, com foco em Química, Termologia e Óptica. Na parte de Química, apresenta matéria, substância e estados físicos. Em Termologia, explora

The book that changed how humanity understands the universe.Often called the foundation of modern science, Newtons work lays out the laws of motion and universal gravitation with precision and clarity. Its influence extends across physics, astronomy, and engineering.Demanding yet monumental, this text rewards readers interested in the history of science and the structure of natural law.A cornerstone of scientific thought for serious readers and scholars.Explore the work that shaped centuries of discovery.Why This Edition? Complete original scientific text Clean, structured formatting Clickable Table of Contents Logical navigation for reference Carefully proofread edition

É com muita satisfação que apresentamos esta obra que traz em seu bojo, vários artigos elaborados pela turma 5 do Mestrado profissional em Ensino de Biologia em Rede (Profbio), da Universidade Estadu

"One law to rule the stars, the tides, and the falling apple."In The System of the World, Isaac Newton takes his rigorous mathematical proofs and applies them to the vast canvas of the cosmos. This is the work where the abstract becomes tangible. Newton explains with startling clarity how the same force that pulls an object to the ground keeps the Moon in its orbit and the planets in their dance around the Sun. He demystifies the movement of comets, the bulging of the Earth at its equator, and the rhythmic pulling of the tides. It is a foundational text of the Scientific Revolution, representing the moment humanity finally grasped the invisible threads that hold the physical world together.The Unity of the Heavens and Earth: Before Newton, many believed the laws of Earth and the laws of the Heavens were entirely separate. The System of the World shatters this divide. Newtons "Universal Law of Gravitation" proves that the universe is a unified system, predictable and governed by elegant, unchanging laws.A Blueprint for Modern Astronomy: Newton uses this work to calculate the masses of planets and explain the perturbations in their orbits. His insights into the "Great Comet of 1680" proved that even these seemingly chaotic visitors follow the same elliptical paths as the planets, bringing order to the last frontier of the night sky.Why It Is a Scientific Landmark: The System of the World is more than a physics book; it is the birth of the modern world. It moved humanity away from superstition and toward a universe that could be measured, understood, and explored. It is essential reading for anyone who wants to understand the origins of the mechanical age and the leap in logic that allowed us to eventually reach the stars.Witness the logic of the cosmos. Purchase "The System of the World" today.

We live in a time in which global crises no longer occur sequentially, but overlap, reinforce one another and challenge our systems in constantly shifting constellations. In the midst of this dynamic, a new need for orientation is emerging not through simple answers, but through architectures that make complexity visible, keep uncertainty navigable and distribute responsibility. This framework proposes such an architecture. It unites epistemic, semantic and resilient integrity and shows how knowledge emerges, how it is shared and how it can be used responsibly. Geospatial AI & Critical Infrastructure describes not merely a technical field, but a space in which spatial intelligence, operational systems and societal responsibility are inseparably intertwined. A particular focus of this work also lies on offshore systems, Arctic operational environments and the responsible use of digital twins. The framework shows how AI agents can become reliable partners in sensitive domains not through maximal automation, but through transparent, robust and self reflective models. It reveals how many blind spots exist today and why epistemic integrity must become the foundation of modern world models, from BIM to digital twins to shadow pattern to EO supported systems. At the same time, it introduces a new profession: Epistemic Engineering the design of knowledge architectures that understand their own limits. With the Epistemic Maturity Model and the Epistemic Integrity Layer, structures emerge that make stability, transparency and resilience measurable. Many additional solution concepts, modules, geo AI scenario training, guidelines and much more await you in this framework. And with the Geo Resilience Compass, this architecture gains an instrument that provides orientation where uncertainty dominates. This work unfolds its strength not in individual chapters, but in the interplay of all its components. I warmly invite you to join me on this exciting and necessary journey.

Este livro é uma proposta e avaliação da aplicação de uma metodologia para verificação de capacidade volumétrica de tanques armazenadores de líquidos ou graneis (arqueação) empregando-se a técnica de

O que nos permite afirmar que a Mooca é um típico bairro paulistano? Quais elementos são necessários para que essa qualificação se pronuncie?A cidade de São Paulo é uma composição de várias narrativa

A Neuralgia do Trigêmeo (NT) é considerada uma das dores mais intensas que um ser humano pode sentir, mas ainda é cercada por desinformação e diagnósticos equivocados. Desvendando a Neuralgia do Trig