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Do Colors Exist? And Other Profound Physics Questions


Do Colors Exist? And Other Profound Physics Questions
by Seth Stannard Cottrell
Birkhäuser | May 2018 | e-ISBN 978-3-319-64361-8 | ePUB | 37.7 mb


Why do polished stones look wet? How does the Twin Paradox work? What if Jupiter were a star? How can we be sure that pi never repeats? How does a quantum computer break encryption? Discover the answers to these, and other profound physics questions!
This fascinating book presents a collection of articles based on conversations and correspondences between the author and complete strangers about physics and math. The author, a researcher in mathematical physics, responds to dozens of questions posed by inquiring minds from all over the world, ranging from the everyday to the profound.
Rather than unnecessarily complex explanations mired in mysterious terminology and symbols, the reader is presented with the reasoning, experiments, and mathematics in a casual, conversational, and often comical style. Neither over-simplified nor over-technical, the lucid and entertaining writing will guide the reader from each innocent question to a better understanding of the weird and beautiful universe around us.

About the author

Seth Cottrell was born in San Diego, moved around, and now lives in New York where he teaches math at CUNY. From an early age Seth has been the victim of his own curiosity which, after many detours, earned him a PhD in mathematics from NYU which he uses to understand physics.
For the last ten years he's talked with complete strangers about whatever they want to know about math and physics or whatever happens to come up and, when he knows the answer, has written about it on askamathematician.com.

1 Big Things
1.?1 What would Earth be like to us if it were a cube??
1.?2 Why does going fast or being lower make time slow down??
1.?3 Why does entropy always increase and what is the “heat death” of the universe??
1.?4 How can photons have energy and momentum but not mass??
1.?5 What is the twin paradox??
1.?6 Why are so many things in space flat disks??
1.?7 Why isn’t the shortest day of the year also the day with the earliest sunset??
1.?8 What is dark energy??
1.?9 Two moving observers see the other moving through time slower.? But doesn’t one have to be faster??
1.?10 How close is Jupiter to being a star?? What would happen to us if it were??
1.?11 How does Earth’s magnetic field protect us??
1.?12 What would it be like if another planet just barely missed colliding with the Earth??
1.?13 Why is the light from the Big Bang still around??
1.?14 What would happen if you drilled a tunnel through the Earth and jumped down it??
1.?15 How does a gravitational sling shot actually speed things up??
1.?16 How can the universe expand faster than the speed of light??
2 Small Things
....and more!!!

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