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El siglo XX se caracteriza esencialmente por el vertiginoso desarrollo que han experimentado la ciencia y la tecnología. Estudios de todo tipo de vacunas. Las primeras décadas del siglo: Albert Einstein, Curie, Rutherford (los átomos), Alfred Wegener (Teoría de la Deriva Continental), el primer vuelo en avión, Henry Ford (los coches),... Las guerras mundiales:avance de la tecnología.Primer cohete, descubrimiento tumba Tutankamón, el Australopitecus, Fleming, Oparin, fisión nuclear,... la conquista del espacio.Los fenómenos atmosféricos están presentes en la Naturaleza: en una tormenta, por ejemplo.La corriente eléctrica: composición, comportamiento.Buenos y malos conductores.Centrales eléctricas, nucleares, eólicas. Utilización de la electricidad.

Please note: This audiobook is in Spanish.

The smallest flowering plant, on Earth, is one of the most powerful, and widespread: duckweed. Usually, considered a nuisance, duckweed, upon close examination, is an impressive crop, in photosynthetic value. Ethanol, an industry dominated by the Corn Industry (King Corn), faces many challenges, including large water draws, rising fertilizer costs, large diesel fuel bills, and unintended impacts on Food markets.

Proven professional advice for the Agile Scrum: The Agile Product Owner Updated and Advanced Edition Launching Agile and SCRUM - the product owner as a change agent Trust as a key differentiator in project and portfolio success

Il mondo moderno dipende ancora pesantemente dal carbone, dal petrolio e dal gas naturale per procurarsi l'energia di cui ha bisogno. I carburanti fossili non sono però rinnovabili. Questo significa che queste fonti di energia tenderanno a esaurirsi, diventando sempre più costose e più difficili da reperire. Ai ritmi di consumo attuali, il carbone potrebbe durare ancora un secolo e il metano forse due. Dall'altra parte, abbiamo le energie rinnovabili, come quella solare o quella eolica.

A search for the contemporary Nikola Tesla - considered a mad scientist by his society for predicting global warming more than 100 years ago - fuels this analysis of climate issues, which introduces thinkers and inventors who are working to find possible ways out of the energy crisis. From Louis Michaud, a retired refinery engineer who claims we can harness the energy of man-made tornadoes, to a professor and a businessman who are running a company that genetically modifies algae so it can secrete ethanol naturally, these individuals and their unorthodox methods are profiled.

One of the threats facing our nation is the use of an EMP weapon to cause a grid down scenario. There are many bad actors on the international stage capable of terrorism on a massive scale. The list is long, including Russia, China, North Korea, Iran, Syria and now terrorist groups like ISIS. Each is capable of wreaking havoc in the US by shutting down our power grid through the use of an EMP, and enjoying the resulting chaos.

This landmark history of nuclear power is perfectly timed for today, when Americans are gravely concerned with nuclear terrorism, and a nuclear renaissance is seen as a possible solution to global warming. Few have truly come to terms with the complexities of an issue which may determine the future of the planet. Nuclear weapons, it was once hoped, would bring wars to a close; instead, they spurred a massive arms race that has recently expanded to include North Korea and Iran.

Today, there are over 100 nuclear reactors operating in our backyards, from Indian Point in New York to Diablo Canyon in California. Proponents claim that nuclear power is the only viable alternative to fossil fuels, and due to rising energy consumption and the looming threat of global warming, they are pushing for an even greater investment.

Two opposing narratives vie to explain the strategic future of Europe, one geopolitical and one economic, and both center on the same resource: natural gas. In The Bridge, Thane Gustafson, an expert on Russian oil and gas, argues that the political rivalries that capture the lion's share of media attention must be viewed alongside multiple business interests and differences in economic ideologies. With a dense network of pipelines linking Europe and Russia, natural gas serves as a bridge that unites the region through common interests.

Griffith paints an inspiring yet practical picture of empowered local communities acting collectively when it comes to renewable energy, and benefiting financially. He considers both equity and security – an end to dependence on foreign oil, for instance. He explores the rejuvenation of regional Australia, as well as the rise of a new populist movement driven by Australian women. And he explodes once and for all the trees v. jobs binary. This is an electrifying essay about building a better world, one community at a time.

Converting your home to solar energy is one of the best investments you will ever make. You’ve heard that installing solar power reduces the value of your home. Or that your roof will leak if you install solar power. You may even have heard that if solar panels are imperfectly installed, your house will burn down. Don’t believe any of it. They’re just not true.

Installing the off-grid solar-powered system is no rocket science. In this book, you will find out how to get the off-grid solar-power system installed on your vans, RV, boats, and other mobile homes for camping. Taking a tour in a van is one beautiful experience, but powering them with a solar-powered system makes the trip or camping exciting. The absence of noise and efficiency of renewable energy is one major attraction to mobile solar systems. You don’t want the noise or pollution associated with generators to mess up your camping experience.

Deutschlands energiepolitischer Sonderweg könnte zur Sackgasse werden. Kurz vor Abschluss des Atomausstiegs fiel mit Russlands Angriff auf die Ukraine ...

This audiobook offers solutions that not only address procrastination, but also help you move on your path to lasting success and productivity.

The Millionaire Project Manager focuses on the road map to financial success and career growth as a project manager. This audiobook is for individuals looking to become project managers and working project managers looking to advance their career and income.

Boost your project management skills with proven methodologies, and deliver high-quality projects to ensure success! Imagine being able to confidently and efficiently manage your projects, no matter the complexities. With so many methodologies and tools, how do you know which one to choose? That's where the extensive knowledge and expertise offered in this book comes in.

Unlock the full potential of Scrum with “The Comprehensive Guide to Scrum Mastery” by Jean-Claude Kengni. Perfect for aspiring Scrum Masters and experienced project managers, this guide provides a thorough understanding of Scrum, an agile framework emphasizing collaboration, flexibility, and customer satisfaction.

In the fast-paced world of engineering, effective project management is essential for success. The Engineer’s Guide to Project Management: Practical Strategies for Success offers engineers a practical framework to navigate complex projects with confidence. This comprehensive guide merges technical expertise with strategic planning and leadership, providing actionable insights for each stage of the project lifecycle.

Become a successful project manager in weeks, even if you've never led a team before – Unleash your leadership skills now! Do you want to dive into project management but fear you lack the experience to lead effectively? Worried about handling complex projects and meeting stakeholder expectations? Or maybe you've been unexpectedly thrust into a project management role and feel overwhelmed?

From wood to coal to oil and gas, the sources of energy on which civilization depends have always changed as technology advances. Now renewables are overtaking fossil fuels, with wind and solar energy becoming cheaper and more competitive every year. Growth in renewable energy will further accelerate as electric vehicles become less expensive than traditional automobiles. Understanding the implications of the energy transition will prepare us for the many changes ahead.