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The Pennsylvania and the New York Central railroads helped to develop central Pennsylvania as the largest source of bituminous coal for the nation. By the late 19th century, the two lines were among America’s largest businesses and would soon become legendary archrivals. The Pennsylvania Railroad (PRR) first arrived in the 1860s. Within a few years, it was sourcing as much as four million tons of coal annually from Centre County and the Moshannon Valley and would continue do so for another quarter century.

If you're a person who wants to know the secrets of humankind, nature, and evolution, then you're about to discover how to increase sensitivity to the problems of our planet right now! If you're serious about increase sensitivity to the problems of our planet and you really want to know the answers to these great life's questions, then you need to get a copy of A World without Humans: Pros & Cons of Our Eventual Extinction right now.

After thousands of rides, rideshare driver, author, and storyteller J.D. Phillippi is inviting you into his life on the road. The rider who "loved" him, his favorite category of riders, his biggest tip, his best story, flat tires, and surprises left behind by his riders are just a few of the stories here. Plus, tips on how to improve your safety in a rideshare and how to make your rides better, overall.  

Without a Trace: 1881-2016 explores the most interesting of these disappearances: mysteries that have baffled investigators for years. Occasionally tragic and frequently amusing, Without a Trace: 1881-2016 is unerringly accurate and informative. Sylvia Wrigley introduces the crews, innocent bystanders, and rescuers in this collection of true stories. Documenting the popular theories from each case, she uses her knowledge and experience as a pilot and an aviation journalist to demystify aviation jargon and narrow down each disappearance to the most likely explanations.

Canada is blessed with thousands of kilometers of empty roads which seem to wind on forever through forested hills and between still blue lakes. What better way to explore them than by riding 40-year-old Italian motorbikes, famous for their dodgy electrics and sparse dealer network? Forty-year-old bikes, aged rider, thousands of kilometers of virtually unserviced empty roads in the middle of bear-, wolf-, and blackfly-infested wilderness - what could possibly go wrong?

This thematic audiobook introduces the history of the Firth of Forth, the gateway to the east of Scotland and Edinburgh, Scotland’s capital city. There are whaling ships and fishing boats, great tea clippers with a Forth connection and the Leith built Sirius that was the first ship to cross the Atlantic under steam power alone. The historical background to each of the Forth islands is covered, with tales of shipwreck and holy men, pirates and lighthouses, plague victims, grim prisons and a Jacobite fortress that held out against the Scottish Navy. 

Artificial intelligence (AI) is our society's biggest opportunity. It will be the most influential technology of our century, but we still don’t know how to put this into the right path. This audiobook focuses on the philosophical side of artificial intelligence and robotics, while remaining rational and pragmatic.

The book takes a different approach to digital disruption and its impact on business and society. It take the listener on a journey from the past, by looking at the earlier industrial revolutions and comparing and contrasting to the digital revolution. This also provides examples and experiences on how businesses, governments, and individuals can understand the digital disruption and take advantage of it.

We explore modern aircraft mysteries, with each case laid out in rich detail and presented chronologically, with explanations of technology, aviation jargon, and cultural aspects involved in each mystery. Sylvia Wrigley introduces the crews, innocent bystanders, and rescuers in this collection of true stories....

Solar powering systems are now taking over the world. More and more people are installing solar power systems in their houses, saving thousands of dollars on electricity bills, improving the electric power in their house, and actually helping to save our planet. If you'd like to join the millions of businesses, families, and houses that already have a solar power system, it's important to do it in the right way.

This book sheds some light on the different strategies that you can use in Excel. You will learn more about how to paste data, what types of formatting you can use, and how you can use different formulae and graphs to help you understand your data better.

Bayes theorem is a method that is used to solve conditional probability. Also called Bayes theory, this theorem can accurately give you the actual probability of an event, given information about the test. This audiobook is loaded with interactive examples on Bayes theorem. Bayes theorem is also called Bayes rule or Bayes formula and is used in different industries including spam filters and drug testing, due to the fact that it is vital to have a systematic and proven way to find the estimated probability when new data is available.

The Green Hornet Streetcar Disaster tells the riveting tale of this calamity. Combing through newspaper accounts as well as the Chicago Transit Authority’s official archives, Craig Cleve vividly brings to life this horrific catastrophe. Going beyond the historical record, he tracks down individuals who were present on that fateful day on State and 62nd: eyewitnesses, journalists, and even survivors whose lives were forever changed by the accident.

Do you need a spreadsheet that offers calculation, graphing tools, pivot tables, and more? Is this an essential tool for your business or home? Are you new to this concept and need a step-by-step guide to get going? This audiobook is the perfect place for any beginner to get started and with examples and simple and basic tutorials you will soon be on the way to using Excel for all your tasks, making you wonder how you ever got on without it.

Hello World takes us on a tour through the good, the bad, and the downright ugly of the algorithms that surround us on a daily basis. Mathematician Hannah Fry reveals their inner workings, showing us how algorithms are written and implemented, and demonstrates the ways in which human bias can literally be written into the code. By weaving in relatable, real world stories with accessible explanations of the underlying mathematics that power algorithms, Hello World helps us to determine their power, expose their limitations, and examine whether they really are improvements.

Once we step on the treadmill of progress, it's hard to step off. Yet Edward Tenner shows that human ingenuity can be applied in self-preservation as well, and he sheds light on the ways in which the users of commonplace technology surprise designers and engineers, as when early typists developed the touch method still employed on today's keyboards. And he offers concrete advice for reaping benefits from the devices that we no longer seem able to live without. Although dependent on these objects, we can also use them to liberate ourselves.

David L. Mearns has discovered some of the world's most fascinating and elusive shipwrecks. The Shipwreck Hunter chronicles his most intriguing finds. It describes the extraordinary techniques used, the detailed research, and mid-ocean stamina and courage required to find a wreck thousands of feet beneath the sea, plus the moving human stories that lie behind each of these oceanic tragedies. Combining the adventuring derring-do of Indiana Jones with the precision of a scientist, The Shipwreck Hunter opens an illuminating porthole into the shadowy depths of the ocean.

Decir que el mundo avanza a pasos agigantados es una frase trillada pero real. Todavía los autos no vuelan y no vacacionamos en el espacio, pero el siglo XXI va a dejar su huella en la historia gracias al desarrollo de las tecnologías emergentes. Aunque la ciencia ficción y la filosofía imaginaron todos estos adelantos, se está generando una nueva revolución que va más allá de lo industrial porque también involucra aspectos sociales, económicos y culturales.

Adrián Paenza, galardonado con el Premio Leelavati al mejor divulgador del mundo en matemática, narra los problemas más curiosos sobre matemática recreativa. Uno de los primeros best sellers de autoayuda, fue publicado por primera vez en 1936 y lleva vendidas 15 millones de copias a nivel mundial.

De 20ste eeuw is de eeuw van de massamotorisering. In 1913 begon de eerste massale serieproductie van auto’s in Amerika. Door een efficiënt productieproces lukte het de industrieel Henry Ford om de T-Ford relatief goedkoop op de markt te brengen en daarmee toegankelijk te maken voor de groeiende middenklasse. In Europa kwam de automobilisering van de samenleving pas op gang na 1960. Elk Europees industrieland leverde een eigen bijdrage.