検索キーワード： "アンサー" 科学・工学

Fans of xkcd ask Munroe a lot of strange questions: What if you tried to hit a baseball pitched at ninety percent the speed of light? How fast can you hit a speed bump while driving and live? If there was a robot apocalypse, how long would humanity last? What if everyone only had one soulmate? What would happen if the moon went away? In pursuit of answers, Munroe runs computer simulations, pores over stacks of declassified military research memos, solves differential equations, and consults with nuclear reactor operators.

Master the complexities of project management with "PMP PMBOK 7 Edition" from Davidson's Audiobooks. Designed for professionals aspiring to excel in the Project Management Professional (PMP) certification, this study guide is the quintessential companion for your preparation, structured around the latest PMBOK Guide – Seventh Edition.

How does soap know what's dirt? How do magnets work? Why do ice cubes crackle in your glass? And how can you keep them quiet? These are questions that torment us all. Now Robert L. Wolke, professor emeritus of chemistry at the University of Pittsburgh, provides definitive - and amazingly simple - explanations for the mysteries of everyday life.

With humor and easy-to-understand language, marine scientist Ellen Prager and meteorologist Dave Jones use frequently asked and zany questions about the ocean and atmosphere to combat misinformation and make science engaging and understandable for all. From dangerous marine life, coral reefs, and the deep sea to lightning, hurricanes, weather forecasting, the Sun, and climate change, they reveal what's fact, what's fiction, and how to find science-based answers.

Tornadoes. Tsunamis. Earthquakes. Hurricanes. Why does God allow such disasters to happen? We find ourselves asking, are these truly the acts of a loving and compassionate God? In An Act of God?, pastor and best-selling author Erwin W. Lutzer tackles this tough subject head-on, offering real answers as well as comfort and hope to those who struggle with challenges to their faith.

In this book, two distinguished scientists tackle common misconceptions about race, human biology, and racism. Using an accessible question-and-answer format, Joseph L. Graves Jr. and Alan H. Goodman explain the differences between social and biological notions of race. Although there are many meaningful human genetic variations, they do not map onto socially constructed racial categories. Drawing on evidence from both natural and social science, Graves and Goodman dismantle the malignant myth of gene-based racial difference.

Is there a God? Is there life after death? Why do bad things happen to good people? How can I know? My adult daughter asked me to tell her what I believed and why. This became a book writing project. I am a retired professional teacher, school counselor, and family therapist. I studied to be a priest for three years, living in a seminary and monastery. I am married and a father of two young adults. My academic background is psychology, theology, philosophy, education.

Ever wonder why onions make you cry? Or why lizards do pushups? Or why leaves change color in the fall? Don't worry, you're not alone. Acclaimed science writer and broadcaster Jay Ingram wonders the same things. After a long career of asking important questions (does time speed up as we age? How much Neanderthal is in me? Why do some animals throw their feces?), he's here to put our scientific quandaries to rest.

The follow-up to the best-selling What Did We Use Before Toilet Paper?, Can Holding in a Fart Kill You? has even more fun and fascinating trivia. Perfect for the ever-curious trivia lover, this book is the ultimate in truly extraordinary information. From silly to serious to outright bizarre, this expansive collection offers surprising answers and unexpected facts on everything from history and science to pop culture and nature. From the everyday to the fantastical - it's all here. 

فبحسب نظرية الكم ليس للكون وجود أو تاريخ واحد فقط..وهي فكرة مفادها أننا مجرّد كون من أكوان عديدة لكل منها قوانين طبيعية مختلفة. والنظريّة إم تقدّم تفسيراً للقوانين التي تحكم كوننا، المرشّح الوحيد الموجود "لنظرية كل شيء"، وهي النظرية الموحّدة التي كان يبحث عنها آينشتاين، والتي إن ثبتت، فإنها ستمثّل انجازاً عظيماً للفكر الإنساني.

From the citrus groves of Sicily to a taco in Mexico City, In Search of the Perfect Peach takes you on a journey in the pursuit of flavor, with Franco revealing at every step how this incredibly simple desire can lead to radical change. Throughout, he offers us a deeply optimistic vision of how we as consumers can follow flavor to fix the food system and bring joy to our every meal.

The case against UFOs and unidentified aerial phenomena (UAP) has not been put to rest. Although UFOs "officially" did not exist for decades according to the government, reports of sightings continue to be made, and the latest releases from the government and related hearings have surprised the world. While the scientific community has put UFOs out to pasture, the evidence used to dismiss them is rare and unscientific.

Ready to pass your Journeyman Electrician Exam and take the next step in your career? Stop studying blind—and start studying smart. Whether you're sitting the exam for the first time or coming back after a setback, this comprehensive guide gives you everything you need to walk in prepared and walk out confident. The Journeyman Electrician Exam Prep Guide combines expert insights from seasoned electricians with real-world practice scenarios, mock exams, and up-to-date NEC content—so you're never caught off guard by what the exam throws at you.

You're smart enough to drive a 40-tonne rig safely. You're smart enough to pass this exam. What you need is the right material, in the right order, heard the right way. This audiobook fixes that. Fast. Every one of the 10 CDL exam modules is covered—General Knowledge, Air Brakes, Combination Vehicles, HazMat, Passenger, Tank Vehicles, Doubles and Triples, School Bus, Pre-Trip Inspections, and full Class A, B, and C requirements. Practice questions after every chapter. Exam strategy throughout. Every endorsement included.

Whatever your motivation is for passing the UK Driving Theory Test, we understand your desire to get out on the road.. Yet unfortunately, more than 30% of people fail their theory test. And for 1.8 Million people, it took them more than 3 attempts to pass their test! We've created this audiobook to help you avoid becoming one of the unlucky ones who fails their theory test—saving you time, money and stress along the way. Our audiobook is the ONLY audiobook on the market that gives you up-to-date practise questions and answers to help you pass your theory.

Jessica Carew Kraft, an urban wife and mom of two, was rooted in the modern world, complete with a high-powered career in tech and the sneaking suspicion that her lifestyle was preventing her and her family from truly thriving. Determined to find a better way, Jessica quit her job and set out to learn about "rewilding" from people who reject the comforts and convenience of civilization by using ancient tools and skills to survive. Along the way, she found an entire community walking the path back from our technology-focused, anxiety-ridden way of life to a simpler, more human experience.

Read by Ben Whishaw and Garrick Hagon, with an afterword read by Lucy Hawking. The world-famous cosmologist and #1 bestselling author of A Brief History of Time leaves us with his final thoughts on the universe's biggest questions in this brilliant posthumous work. How did the universe begin?...

One of our most brilliant social critics - author of the best-selling The Middle Mind - presents a scathing critique of the "delusions" of science alongside a rousing defense of the tradition of Romanticism and the "big" questions. With the rise of religion critics such as Richard Dawkins, and of pseudo-science advocates such as Malcolm Gladwell and Jonah Lehrer, you' re likely to become a subject of ridicule if you wonder "Why is there something instead of nothing?" or "What is our purpose on Earth?"

Best-selling author and commentator Jay Ingram is back to explain the magic and mysteries of the world around us. Jay takes listeners on a tour of the universe, exploring wonders big and small. From the farthest reaches of space to the most perplexing historical riddles to the marvels of who we are and what we're made of, Jay answers the important questions, such as: What's inside a black hole? Will machines ever learn to feel? And how much pee is in the average pool?

#1 NEW YORK TIMES BESTSELLER The world-famous cosmologist and author of A Brief History of Time leaves us with his final thoughts on the biggest questions facing humankind. “Hawking’s parting gift to humanity . . . a book every thinking person worried about humanity’s future should...