新着

AI is already driving billions of dollars in online business growth. While most people waste time on weak prompts and gimmicks, a small group is quietly using AI to build thriving online businesses. Which side do you want to be on? If you’ve ever wished for a guide that replaces guesswork with real instructions, this is it. You’ll discover prompt systems you can copy today to create products, automate workflows, and build income sources that last. Each chapter focuses on practical action, not theory, so you can see results from the very first step.

Industrial civilization has contributed significant pollution in the land, air, and water, all of which impact human survival. As a scientist in this field, Dr. Christina Rahm dedicated her career to researching and implementing strategies to protect our planet’s precious resources while promoting human health and wellbeing. She hopes to raise awareness about the disastrous impact of harmful pollution on the environment and minimizing its impact on our lives.

Are you ready to take the next step in your construction career and become a licensed contractor? Passing the contractor’s license exam can feel overwhelming, but it doesn’t have to be. Contractor’s License Exam Prep is your roadmap to success, giving aspiring contractors the confidence, knowledge, and strategies to pass the exam and thrive in the construction industry. This all-in-one study guide covers every key topic on contractor licensing exams, including business management, estimating, contracts, project management, construction law, taxation, safety, building codes, and materials.

Few subjects are more fundamental to modern life than electrical power. The systems that generate, transport, and distribute electricity are among the most essential contributors to modern industry, development, and everyday living. As energy demand grows and, with it, the electric power industry, more and more non-electrical professionals must make important policy and administrative decisions regarding the systems that power our world.

In the nineteenth century, Manhattan's streets were so choked with pedestrians, horses, vehicles, and vendors that a trip from City Hall to Central Park could take hours. Alfred Beach had the perfect solution: build a giant pneumatic tube underneath Broadway from the Battery to Harlem. Air pressure would shoot passengers up and down the island in clean, quiet carriages. But Beach was up against the operators of the horse-drawn streetcars and the politicians in their pay, most conspicuously William M. Tweed, the notorious "Boss" of Tammany Hall.