Ebook Download The Physics of Superheroes, by James Kakalios
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The Physics of Superheroes, by James Kakalios
Ebook Download The Physics of Superheroes, by James Kakalios
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From the Back Cover
Praise for The Physics of Superheroes "Surprisingly enough, according to Kakalios, comic books get their physics right more often than you’d think." —The Boston Globe "Writing with tongue firmly planted in cheek, Kakalios looks at classic comics with a physicist’s eye. . . . Outstanding." —The Orlando Sentinel "Kakalios, a University of Minnesota physicist and unrepentant comics nerd, offers up jovial, largely equation-free deconstructions of Ant-Man’s shrinking ability, the centripetal acceleration of Spider-Man’s swing, and the strength of his silk web." —Discover "Wildly entertaining, yet scientifically accurate… Comprises a fairly solid introductory education in physics, sweetened with a history lesson in classic comic book superheroes." —Metro "Offers a droll but sincere look at what Superman and Spider-Man can teach about physics. . . . Entertaining. . . . His explanations are lucid and smooth." —Science magazine
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About the Author
James Kakalios is a professor in the School of Physics and Astronomy at the University of Minnesota, where he has taught since 1988, and where his class "Everything I Needed to Know About Physics I Learned from Reading Comic Books" is a popular freshman seminar. He received his Ph.D. in 1985 from the University of Chicago, and has been reading comic books for much longer.
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Product details
Paperback: 384 pages
Publisher: Avery; unknown edition (September 21, 2006)
Language: English
ISBN-10: 1592402429
ISBN-13: 978-1592402427
Product Dimensions:
5.3 x 1 x 8 inches
Shipping Weight: 10.4 ounces (View shipping rates and policies)
Average Customer Review:
4.4 out of 5 stars
87 customer reviews
Amazon Best Sellers Rank:
#472,690 in Books (See Top 100 in Books)
I wish that I could have taken the author's physics course that uses this book instead of the terribly dry college physics I took many years ago. This is a very fun but also serious book and a wonderful job by the author. (Aside: If you are thinking of taking a standard physics book, you might read this one first; also, my experience as a college student taught me that probably a better thing to do before taking a standard college physics course would be to take something more fun that uses physics heavily, such as a first astronomy-for-majors course, to develop a stronger reason to be interested in learning physics BEFORE subjecting oneself to the dry way most physicists teach their subject. But better yet, find a way to go up to the University of Minnesota to take this author's course and transfer the credits!)
I had read another book by this author (The physics of Star Trek) in the past and decided to purchase and read this very informative 365 soft cover book (The Physics of Superheroes by James Kakalios) which I got for a bargain price on Amazon.Like the Physics of Star Trek, the author cleverly teaches traditional physics while evaluating comic book super heroes relating what is and what is not possible according to the theories of basic physics.This book is organized into four sections: the first section covers mechanics such as forces and motion, Newton’s law of gravity, special relativity and other topics. Section two focuses on heat and light where he explains the three laws of thermodynamics, electrical currents and other subjects. The third part explains modern physics such as atomic physics, Quantum mechanics, tunneling phenomena and solid-state physics. The final section asks the question “what have we learned? This part is essential reading if you want to better understand key equations and further reading on this subject. This section also has a detailed notes section on each chapter.If you are into comic book superheroes and would like to learn the possible real life physics behind some of the amazing abilities of superheroes this book is for you.Rating: 5 Stars. Joseph J. Truncale (Author: Training alone in Combatives and self-defense)
I really enjoyed this book because I'm geeky enough to have thought about these types of issues. I vaguely recall my mechanics from my high school days but not well enough to work this out for myself. So it is great having a really solid discussion from a real physicist.Having said that, I think there is a mistake in this book. The first chapter is about the original version of Superman, who is merely really strong because he grew up on Krpton and Krypton has much stronger gravity on Earth. The original Superman did not have the ability to fly or X-Ray vision or anything like that. So the question is: how strong must Superman be - and how strong must Krpton's gravity be - for Superman to leap a tall building in a single bound? We do know that the original Superman could leap an eighth of a mile high. That's 660 feet high. Then he does some physics to get the answer.Here comes the math (7% on the Kindle)Kakalios uses the formula v^2 = 2gh to conclude that Superman's initial velocity must be 200 feet per second (that's 140 miles per hour). Now, how much force must Superman's legs generate to accelerate to that speed? Well, assume that Superman's jump - the part while he was pushing off the ground - took a quarter second. Then he'd have to accelerate at 800 feet per second per second.Now Kakalios switches to meters. An acceleration of 800 feet/s/s is about 250 meters per second per second. Assume Superman is a relatively big guy who weighs 100 kilograms (220 pounds) and we have a total force of 25,000 Newtons. Translate back to English measurements and that works out to 5,600 pounds. Now, that's how much force Superman can generate when he's jumping as hard as he can. If he's just standing around then he'd probably only be putting out about 70% of that. So that means that Superman's weight on Krpton must be 3300 pounds, which is 15 times his earthly weight of 220 pounds. In conclusion, Krypton's gravity and Superman's strength must be about 15 times that of a regular human being.That seemed way to low for me. So I checked his numbers and I disagree with Kakalios' simplifying assumption that Superman will spend a quarter second pushing off the earth at the start of his jump. I think that is quite wrong. Here's why. Remember that if the "push" phase of the jump takes a quarter second then Superman's acceleration must be 250 m/s/s. Then we can use the following formula and plug in acceleration of 250 and time of 1/4th.distance = 1/2 acceleration * time^2distance = 1/2 (250) (1/4)^2distance = 125 (1/16)distance = 7.8 metersThat means that for the quarter second that Superman is pushing against the Earth with his legs, he has travelled 7.8 meters. He couldn't do that unless he is also plastic man and can keep stretching his legs!Kakalios came up with his estimates based on the assumption of a quarter second to jump. I think a better estimate is a half meter to jump (if you bend at the knees to jump, then at the lowest point you'll drop about a half meter). So if you assume that Superman has a half meter to accelerate to 205 feet per second instead of 7.8 meters, then you conclude that Superman must accelerate much, much faster. And that means he needs a much larger force. I will spare you the rest of the math, but my calculations worked out such that Superman is 330 times stronger than a man who can do a 24 inch vertical leap (which is an above average vertical leap).I'd be curious if other reviewers would be interested in double checking my work. I think my analysis is correct, but as I said at the beginning of the review, my high school physics is pretty rusty. I could easily be missing something here!I do want to conclude on one point that I hope is obvious, which is that Kakalios really gets you thinking about the physics of Superheroes. I enjoyed delving into Kakalios' work and look forwards to the rest of the book. It is fascinating and stimulating stuff and I've thoroughly enjoyed it.
Loved it! He gets bogged down a little in the science stuff but comes out of it with simple but colorful examples of EXACTLY what is happening when a superhero performs their feat of power. He keeps based in reality though so if you expect him to tell you how Superman flies without wings then you're out of luck.
I teach Physics and was looking for some interesting examples to give my students. He does a good job of looking at different superheroes and the applicable Physics. I would have enjoyed having some problems to work as well. Anyone who likes Physics and comics would enjoy this book.
I love this book! It's so fun and interesting. It's a history lesson on comics and some amazing science! For the first time physics makes sense! I'm using it to teach my son for homeschooling and I'm learning as much as he is!
Started good, but I ended up getting bogged down in the middle and it got pretty boring
I have searched for a book that would help me and my ten year old son learn about physics - and thisbook certainly hits the mark. The author's lighthearted approach and his linking the principles to comic book heroes makes for a brilliant read. Okay, so my boy might not get the whole picture first off - neither does his dad - but the examples Kakalios uses help to visualise the concepts and therefore help you to understand sometimes quite difficult concepts. Also makes for some interesting "mind-bending" musings 'twixt boy and man :)Well Done Mr. Kakalios!By the way - all the equations are in an appendix for those that need 'em
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