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Download e-book for kindle: A User's Guide to the Universe: Surviving the Perils of by Dave Goldberg, Jeff Blomquist

By Dave Goldberg, Jeff Blomquist

ISBN-10: 0470496517

ISBN-13: 9780470496510

Solutions to science's such a lot enduring questions from "Can I holiday the light-speed barrier like on Star Trek?" and "Is there existence on different planets?" to "What is empty area made of?"

this can be an fundamental advisor to physics that gives readers an summary of the most well-liked physics themes written in an obtainable, irreverent, and fascinating demeanour whereas nonetheless conserving a tone of wry skepticism. Even the amateur could be in a position to persist with alongside, because the subject matters are addressed utilizing simple English and (almost) no equations. Veterans of well known physics also will locate their nagging questions addressed, like even if the universe can extend swifter than mild, and for that topic, what the universe is increasing into besides.

* offers a one-stop journey of all of the huge questions that trap the general public mind's eye together with string idea, quantum mechanics, parallel universes, and the start of time

* Explains critical technology in an enjoyable, conversational, and easy-to-understand means

* comprises dozens of delightfully groan-worthy cartoons that designate every little thing from designated relativity to darkish topic

 Filled with interesting info and insights, this ebook will either deepen and remodel your knowing of the universe.

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Extra resources for A User's Guide to the Universe: Surviving the Perils of Black Holes, Time Paradoxes, and Quantum Uncertainty

Example text

Two roads diverged in a yellow wood, And sorry I could not travel both And be one traveler . . 2. ” Do you really need to choose between the two? 3. If a tree falls in a wood, does it make a sound? ANSWERS: If you answered yes to these questions, then congratulations! You have a mind well suited to living in the classical world. If, on the other hand, you answered no to any of them, then you’ve failed the classical intuition part of the quiz, but you might be ready to step into the quantum world.

It’s not just time, either. Space behaves the same way. Let’s imagine that Rusty is ramblin’ on down the track toward a switching station at a sizable fraction of the speed of light. Let us also imagine that Patches is trying to sleep at the same switching station. Rusty covers the distance along the ground in a shorter amount of time by his own reckoning than by Patches’. Since they both agree that the train is approaching the station at the same speed, Rusty must think that the total distance to the station is shorter.

Many subsequent experiments showed that light definitely behaves like a particle. ” Who cares whether light is “really” a particle or a wave? And on the face of it, this might not even seem like too much of a contradiction. After all, while water in the ocean clearly exhibits wavelike behavior, we know that it’s really composed of individual (particle-like) molecules. Maybe light behaves in the same way. Perhaps light only seems to be a continuous wave in the same way that the picture on your TV appears continuous.

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A User's Guide to the Universe: Surviving the Perils of Black Holes, Time Paradoxes, and Quantum Uncertainty by Dave Goldberg, Jeff Blomquist


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