
Bitten by Beomjun
Description
Book Introduction
An interesting world story explained through physics!
Think physics is difficult? Discover the easy and fun world of physics with "Beomjun's Physics."
Professor Kim Beom-jun, a science communicator and professor of physics at Sungkyunkwan University, provides clear explanations of all the world's curiosities through physics!
"I'll help you see the world through physics, making it exciting and visible even when it's not." - Professor Kim Beom-jun, statistical physicist
Think physics is difficult? Discover the easy and fun world of physics with "Beomjun's Physics."
Professor Kim Beom-jun, a science communicator and professor of physics at Sungkyunkwan University, provides clear explanations of all the world's curiosities through physics!
"I'll help you see the world through physics, making it exciting and visible even when it's not." - Professor Kim Beom-jun, statistical physicist
- You can preview some of the book's contents.
Preview
index
Chapter 1: The World is Physical
Still don't understand quantum mechanics?
Quantum Mechanics: The Science Everyone Feared / What is Mechanics? / The Difference Between Classical and Quantum Mechanics? / Who Created Quantum Mechanics? / Quantum Mechanics Thought Experiments / The Use of Quantum Mechanics in Film
Why does time always flow into the future? ㆍ31
The meaning of entropy increase / Attempts in the field of thermodynamics 1: Joule's thermodynamic experiment / Attempts in the field of thermodynamics 2: Helmholtz's first law of thermodynamics / Attempts in the field of thermodynamics 3: Clausius's law of increasing entropy / Attempts in the field of thermodynamics 3: Boltzmann's statistical entropy increase / Does entropy always increase? / Is perpetual motion possible? / Can we make flying sneakers? / What if a world where perpetual motion is possible comes?
What happens if the electricity suddenly disappears?
Who discovered electricity? / How is electricity created? / How does electricity enter our homes? / Why do Koreans use pig-nose outlets? / What would happen if electricity disappeared overnight? / Unprecedented power outages around the world / Electricity usage that is absolutely incomparable to the past
How much electromagnetic waves are there in smartphones?
Why is it easier to tear a cookie bag with a saw blade? / How does a microwave heat food? / Are microwave electromagnetic waves really bad for you? / What happens when you microwave grapes? / Is it fatal to the human body to sleep with your cell phone next to you? / Where in everyday life is electromagnetic waves most emitted? / Is it okay to stand in front of a microwave while it's running? / Microwave usage tips from a physicist / Things to watch out for when using a microwave / An invincible method that will never melt a thing in a microwave / What happens to a person if they enter a microwave?
Chapter 2: Sketching Civilization Through the Laws of Physics
Can we build a 500-story building?
Why is the wind speed different each time? / The standard for what is called a skyscraper / Common characteristics of skyscrapers / How do skyscrapers stand still? / How do skyscrapers stand still? / Things to keep in mind when building a skyscraper / Is it possible to build a 500-story building? / How high can humans build at most?
How deep can you dig?
If you jump from a moving subway, will you be pushed back? / How did Seoul build so many subways? / Is it true that New York is sinking because of skyscrapers? / Is it possible to dig 500 floors underground? / What floor underground would be safe in a nuclear war? / Why are there so many semi-basements in Korea? / Could an underground city be built in Korea?
Why making a bigger boat is beneficial
Why do I get motion sickness when I ride in a car but not when I drive? / A physicist's view on Korea's transportation / Why is it safe for the KTX to travel at 300 kilometers per hour? / Why aren't there seat belts on the KTX? / How can buses run on water? / The bigger the better, the boat. / Can water buses be an alternative to the hellish train? / How will transportation change in the future? / A dream transportation that takes 20 minutes from Seoul to Busan / A world where deliveries are made by drones
Chapter 3: The Physics of Your Body: Knowing It Will Be Good for You
Chapter 1
Sports where left-handed people have an absolute advantage
Which sport is more advantageous to be right-handed or left-handed? / Which sport is absolutely advantageous to be left-handed? / What's more important than kicking the ball in soccer? / Why do archery strings touch your nose and lips? / What's the most advantageous swimming lane? / The scientific principles behind golf / The secret to baseball players hitting home runs so easily
How many kilograms can a human bone hold?
Is the body really something you're born with? / Why tall people look slim / How many kilograms can our bones hold? / Why elephants don't have hair / Characteristics of people who look slim
Why do you feel a jolt when riding a roller coaster?
The difference between those who are good at riding amusement rides and those who are not / Why do we feel like we are floating when riding a roller coaster / Is the feeling of falling the same as the weightlessness in space? / Why does falling in a VR game feel thrilling / Can we make a roller coaster that touches the clouds? / Why don't people fall off a 360-degree rotating ride? / How does a gyro drop suddenly slow down? / Where is the best place to feel the thrill on an amusement ride? / How to feel less scared when riding an amusement ride
Chapter 4: The Imagination Lab: A Physics-Based Approach
I asked scientists a weird question!
Are the temperatures of water falling from waterfalls different? / Can you survive if you fall from a waterfall? / Does the caffeine content vary depending on the amount of water? / Is it possible to connect electricity from Seoul to Busan with a power strip? / If you shoot a gun into the sky, will it hit your head? / Is it possible to spin 360 degrees on a swing? / What would happen if the Earth were a cube? / Why is my voice different from a recorded voice?
A physicist's reaction to a meme that's making science rage
As a physicist, I've heard this question so many times that I'm sick of it / What's the most ridiculous question you've ever heard? / Memes that make science majors mad (1): The circular battery / Memes that make science majors mad (2): How to make an apple levitate / Memes that make science majors mad (3): Life is about direction, not speed / Memes that make science majors mad (4): How to make a Bluetooth showerhead
A scientist's real reaction to a ridiculous meme
My face in the mirror VS a picture taken by someone else / Memes that will make science majors angry (5): Does freezing tofu increase its protein content by 6 times? / Memes that will make science majors angry (6): How to fly with a pistol / Memes that will make science majors angry (7): Solving global warming with air conditioning / Memes that will make science majors angry (8): How to cross a cliff with a ball?
Chapter 5: The Plausible and Job-Challenging Life of a Physicist
Why Our Country Doesn't Produce Nobel Prize Winners
Why there's so much interest in the Nobel Prize / Why Korea won't win a Nobel Prize / About the 2023 Nobel Prize in Physics / The world's most absurd Nobel Prize / Ig Nobel Prize award requirements / The most absurd Ig Nobel Prize idea / The eccentric Korean who won the Ig Nobel Prize / Should I participate in the Ig Nobel Prize?
Why Spider-Man is a Fatal Scientific Mistake
Is it an occupational disease to look for scientific errors when watching a movie? / Scientific errors in movies (1): Interstellar / Scientific errors in movies (2): Frozen / Scientific errors in movies (3): Titanic / Scientific errors in movies (4): Star Wars / Scientific errors in movies (5): Spider-Man / Movies considered to be the best made scientifically / Must-see movies recommended by scientists (1): Everything, Everywhere, All at Once / Must-see movies recommended by scientists (2): Dune / Must-see movies recommended by scientists (3): Blade Runner / Must-see movies recommended by scientists (4): The Matrix / Must-see movies recommended by scientists (5): Contact
How does a physicist survive on a deserted island?
Why plastic wrap doesn't stick to metal dishes well / A Physicist's Balance Game: A physicist who starves all day if he were to be reborn VS A billionaire who doesn't know the science of cookies / A Physicist's Balance Game: What's the best shape among triangles, squares, and circles? / A Physicist's Balance Game: Getting lost in the desert VS Getting lost in the North Pole / A Physicist's Balance Game: Which car manufacturer is responsible for an accident involving a fully autonomous car VS The person sitting in the driver's seat / A Physicist's Balance Game: Knowledge is power VS Ignorance is bliss / A Physicist's Balance Game: Who would you choose to go to a deserted island with? / A Physicist's Balance Game: If you were to go to a deserted island, what would you definitely take with you? / A Physicist's Balance Game: What do you think is the most important among the beginning, the middle, and the end?
Still don't understand quantum mechanics?
Quantum Mechanics: The Science Everyone Feared / What is Mechanics? / The Difference Between Classical and Quantum Mechanics? / Who Created Quantum Mechanics? / Quantum Mechanics Thought Experiments / The Use of Quantum Mechanics in Film
Why does time always flow into the future? ㆍ31
The meaning of entropy increase / Attempts in the field of thermodynamics 1: Joule's thermodynamic experiment / Attempts in the field of thermodynamics 2: Helmholtz's first law of thermodynamics / Attempts in the field of thermodynamics 3: Clausius's law of increasing entropy / Attempts in the field of thermodynamics 3: Boltzmann's statistical entropy increase / Does entropy always increase? / Is perpetual motion possible? / Can we make flying sneakers? / What if a world where perpetual motion is possible comes?
What happens if the electricity suddenly disappears?
Who discovered electricity? / How is electricity created? / How does electricity enter our homes? / Why do Koreans use pig-nose outlets? / What would happen if electricity disappeared overnight? / Unprecedented power outages around the world / Electricity usage that is absolutely incomparable to the past
How much electromagnetic waves are there in smartphones?
Why is it easier to tear a cookie bag with a saw blade? / How does a microwave heat food? / Are microwave electromagnetic waves really bad for you? / What happens when you microwave grapes? / Is it fatal to the human body to sleep with your cell phone next to you? / Where in everyday life is electromagnetic waves most emitted? / Is it okay to stand in front of a microwave while it's running? / Microwave usage tips from a physicist / Things to watch out for when using a microwave / An invincible method that will never melt a thing in a microwave / What happens to a person if they enter a microwave?
Chapter 2: Sketching Civilization Through the Laws of Physics
Can we build a 500-story building?
Why is the wind speed different each time? / The standard for what is called a skyscraper / Common characteristics of skyscrapers / How do skyscrapers stand still? / How do skyscrapers stand still? / Things to keep in mind when building a skyscraper / Is it possible to build a 500-story building? / How high can humans build at most?
How deep can you dig?
If you jump from a moving subway, will you be pushed back? / How did Seoul build so many subways? / Is it true that New York is sinking because of skyscrapers? / Is it possible to dig 500 floors underground? / What floor underground would be safe in a nuclear war? / Why are there so many semi-basements in Korea? / Could an underground city be built in Korea?
Why making a bigger boat is beneficial
Why do I get motion sickness when I ride in a car but not when I drive? / A physicist's view on Korea's transportation / Why is it safe for the KTX to travel at 300 kilometers per hour? / Why aren't there seat belts on the KTX? / How can buses run on water? / The bigger the better, the boat. / Can water buses be an alternative to the hellish train? / How will transportation change in the future? / A dream transportation that takes 20 minutes from Seoul to Busan / A world where deliveries are made by drones
Chapter 3: The Physics of Your Body: Knowing It Will Be Good for You
Chapter 1
Sports where left-handed people have an absolute advantage
Which sport is more advantageous to be right-handed or left-handed? / Which sport is absolutely advantageous to be left-handed? / What's more important than kicking the ball in soccer? / Why do archery strings touch your nose and lips? / What's the most advantageous swimming lane? / The scientific principles behind golf / The secret to baseball players hitting home runs so easily
How many kilograms can a human bone hold?
Is the body really something you're born with? / Why tall people look slim / How many kilograms can our bones hold? / Why elephants don't have hair / Characteristics of people who look slim
Why do you feel a jolt when riding a roller coaster?
The difference between those who are good at riding amusement rides and those who are not / Why do we feel like we are floating when riding a roller coaster / Is the feeling of falling the same as the weightlessness in space? / Why does falling in a VR game feel thrilling / Can we make a roller coaster that touches the clouds? / Why don't people fall off a 360-degree rotating ride? / How does a gyro drop suddenly slow down? / Where is the best place to feel the thrill on an amusement ride? / How to feel less scared when riding an amusement ride
Chapter 4: The Imagination Lab: A Physics-Based Approach
I asked scientists a weird question!
Are the temperatures of water falling from waterfalls different? / Can you survive if you fall from a waterfall? / Does the caffeine content vary depending on the amount of water? / Is it possible to connect electricity from Seoul to Busan with a power strip? / If you shoot a gun into the sky, will it hit your head? / Is it possible to spin 360 degrees on a swing? / What would happen if the Earth were a cube? / Why is my voice different from a recorded voice?
A physicist's reaction to a meme that's making science rage
As a physicist, I've heard this question so many times that I'm sick of it / What's the most ridiculous question you've ever heard? / Memes that make science majors mad (1): The circular battery / Memes that make science majors mad (2): How to make an apple levitate / Memes that make science majors mad (3): Life is about direction, not speed / Memes that make science majors mad (4): How to make a Bluetooth showerhead
A scientist's real reaction to a ridiculous meme
My face in the mirror VS a picture taken by someone else / Memes that will make science majors angry (5): Does freezing tofu increase its protein content by 6 times? / Memes that will make science majors angry (6): How to fly with a pistol / Memes that will make science majors angry (7): Solving global warming with air conditioning / Memes that will make science majors angry (8): How to cross a cliff with a ball?
Chapter 5: The Plausible and Job-Challenging Life of a Physicist
Why Our Country Doesn't Produce Nobel Prize Winners
Why there's so much interest in the Nobel Prize / Why Korea won't win a Nobel Prize / About the 2023 Nobel Prize in Physics / The world's most absurd Nobel Prize / Ig Nobel Prize award requirements / The most absurd Ig Nobel Prize idea / The eccentric Korean who won the Ig Nobel Prize / Should I participate in the Ig Nobel Prize?
Why Spider-Man is a Fatal Scientific Mistake
Is it an occupational disease to look for scientific errors when watching a movie? / Scientific errors in movies (1): Interstellar / Scientific errors in movies (2): Frozen / Scientific errors in movies (3): Titanic / Scientific errors in movies (4): Star Wars / Scientific errors in movies (5): Spider-Man / Movies considered to be the best made scientifically / Must-see movies recommended by scientists (1): Everything, Everywhere, All at Once / Must-see movies recommended by scientists (2): Dune / Must-see movies recommended by scientists (3): Blade Runner / Must-see movies recommended by scientists (4): The Matrix / Must-see movies recommended by scientists (5): Contact
How does a physicist survive on a deserted island?
Why plastic wrap doesn't stick to metal dishes well / A Physicist's Balance Game: A physicist who starves all day if he were to be reborn VS A billionaire who doesn't know the science of cookies / A Physicist's Balance Game: What's the best shape among triangles, squares, and circles? / A Physicist's Balance Game: Getting lost in the desert VS Getting lost in the North Pole / A Physicist's Balance Game: Which car manufacturer is responsible for an accident involving a fully autonomous car VS The person sitting in the driver's seat / A Physicist's Balance Game: Knowledge is power VS Ignorance is bliss / A Physicist's Balance Game: Who would you choose to go to a deserted island with? / A Physicist's Balance Game: If you were to go to a deserted island, what would you definitely take with you? / A Physicist's Balance Game: What do you think is the most important among the beginning, the middle, and the end?
Detailed image

Into the book
The idea behind Ant-Man is that since the inside of an atom is so empty, wouldn't it be possible to reduce the size of the atom by spatially pulling electrons closer to the nucleus?
Could we really shrink the distance between the nucleus and electrons, drastically reducing the size of an atom? Could we create a superhero like Ant-Man? Physicists believe such a feat is impossible.
To reduce the size of atoms by tens of millions or hundreds of millions of times, the interactions between the nucleus and electrons would have to be much stronger.
However, if the electric force between the nucleus and electrons were tens of millions or hundreds of millions of times stronger than it is now, the universe we live in could not be the way it is now.
Therefore, Ant-Man's world is nothing more than an interesting movie fantasy, and is scientifically impossible as it goes against the principles of physics.
--- p.29
Albert Einstein called the law of increasing entropy "the only universal theory that will never be shaken."
The law of increasing entropy is a fundamental concept that drives the world, and it has a wide-ranging impact on all areas of the natural world we encounter.
As Einstein also acknowledged, the law of increasing entropy is a clear fact that no physicist can deny.
But what we need to keep in mind is that 'the natural direction of change is the direction in which entropy increases.'
Here, the 'direction of natural change' means that time moves from the past, through the present, and into the future.
Just as particles initially gathered in an ink droplet gradually spread out throughout the water over time, we see the entropy of an isolated system increasing over time.
That is, we always observe two phenomena simultaneously: entropy increasing and time flowing into the future in that system.
--- p.45
“You can’t fly in the sky wearing sneakers.
Moreover, it is impossible to make flying sneakers without any power supply because it goes against the principles of fluid dynamics and classical mechanics.” Despite this advice from physicists, those who are obsessed with making perpetual motion machines are stubborn.
They challenge again, full of conviction, saying, 'No, I'll make it and show you!'
Instead of accepting that sneakers alone can't fly, they think that the sneakers they made are somehow lacking.
And then they keep saying, 'No, just make it well,' and they keep trying all kinds of things.
If there is such a stubborn person around us, we must do our best to stop him.
A perpetual motion machine of the first type, no matter how complex its mechanism is, can never produce more energy output than it takes in. So, don't waste your life on something that won't work!
--- p.50
So what would happen if someone were to enter a microwave? While no one would do something so gruesome, it's a thought worth pondering for the curious.
What would happen if a person were to operate a microwave oven while inside? The electromagnetic waves used in microwave ovens could be fatal to a person whose body contains about 70% moisture.
Especially in the case of human muscle tissue, which contains a lot of water, electromagnetic waves can penetrate up to about 1 cm.
The story suggests that the temperature of water molecules within a centimeter or so of the outside of a human body can rise at an incredibly fast rate.
I don't have much medical knowledge, but 1cm is quite thick near the skin, and if this part rapidly heats up due to the energy of the electromagnetic waves generated by the microwave, it will cause a burn.
It is not a burn caused by being burned by a hot object from outside, but a burn caused by the rapid rise in body temperature due to the movement of water molecules in the body.
Could we really shrink the distance between the nucleus and electrons, drastically reducing the size of an atom? Could we create a superhero like Ant-Man? Physicists believe such a feat is impossible.
To reduce the size of atoms by tens of millions or hundreds of millions of times, the interactions between the nucleus and electrons would have to be much stronger.
However, if the electric force between the nucleus and electrons were tens of millions or hundreds of millions of times stronger than it is now, the universe we live in could not be the way it is now.
Therefore, Ant-Man's world is nothing more than an interesting movie fantasy, and is scientifically impossible as it goes against the principles of physics.
--- p.29
Albert Einstein called the law of increasing entropy "the only universal theory that will never be shaken."
The law of increasing entropy is a fundamental concept that drives the world, and it has a wide-ranging impact on all areas of the natural world we encounter.
As Einstein also acknowledged, the law of increasing entropy is a clear fact that no physicist can deny.
But what we need to keep in mind is that 'the natural direction of change is the direction in which entropy increases.'
Here, the 'direction of natural change' means that time moves from the past, through the present, and into the future.
Just as particles initially gathered in an ink droplet gradually spread out throughout the water over time, we see the entropy of an isolated system increasing over time.
That is, we always observe two phenomena simultaneously: entropy increasing and time flowing into the future in that system.
--- p.45
“You can’t fly in the sky wearing sneakers.
Moreover, it is impossible to make flying sneakers without any power supply because it goes against the principles of fluid dynamics and classical mechanics.” Despite this advice from physicists, those who are obsessed with making perpetual motion machines are stubborn.
They challenge again, full of conviction, saying, 'No, I'll make it and show you!'
Instead of accepting that sneakers alone can't fly, they think that the sneakers they made are somehow lacking.
And then they keep saying, 'No, just make it well,' and they keep trying all kinds of things.
If there is such a stubborn person around us, we must do our best to stop him.
A perpetual motion machine of the first type, no matter how complex its mechanism is, can never produce more energy output than it takes in. So, don't waste your life on something that won't work!
--- p.50
So what would happen if someone were to enter a microwave? While no one would do something so gruesome, it's a thought worth pondering for the curious.
What would happen if a person were to operate a microwave oven while inside? The electromagnetic waves used in microwave ovens could be fatal to a person whose body contains about 70% moisture.
Especially in the case of human muscle tissue, which contains a lot of water, electromagnetic waves can penetrate up to about 1 cm.
The story suggests that the temperature of water molecules within a centimeter or so of the outside of a human body can rise at an incredibly fast rate.
I don't have much medical knowledge, but 1cm is quite thick near the skin, and if this part rapidly heats up due to the energy of the electromagnetic waves generated by the microwave, it will cause a burn.
It is not a burn caused by being burned by a hot object from outside, but a burn caused by the rapid rise in body temperature due to the movement of water molecules in the body.
--- p.90
Publisher's Review
Everyday life and civilization, examined and imagined through physics!
Thanks to the passionate interest and anticipation of our subscribers, we have finally compiled the popular YouTube content "Beomjun's Bitten" into a book.
This book also contains physics stories that were not covered on YouTube.
Professor Kim Beom-jun, a statistical physicist, created a YouTube channel to share and communicate his physics knowledge with many people, and it already has 230,000 subscribers and over 20 million views.
"Beomjun Kim's Physics" is a book that fully reveals Professor Beomjun Kim's desire to show us that science is always right next to us, how wonderful and beautiful the world is when seen through the eyes of science, and how happy it is to live as a physicist.
From quantum mechanics to our daily curiosities!
What is quantum mechanics, why does time always flow into the future, what happens when electricity goes out, how do skyscrapers stay still, why do roller coasters make you feel like you're floating, can you make a Bluetooth showerhead, etc.
From a physicist's perspective, we provide logical and scientific explanations to easily understand questions you may have imagined or wondered about in your daily life.
An exciting story about physics in movies
What scientific errors are there in famous films like Interstellar, Frozen, Titanic, Star Wars, and Spider-Man? And what are some must-see films that, as a scientist, you would recommend? Professor Kim Beom-joon, a film lover and physicist, enjoys films and points out flaws in science fiction. He also, as a dedicated film fan, introduces interesting and compelling scenes from science fiction films.
A magical effect that makes science fun!
For those who have lost interest in science since school or adulthood, this book will not only rekindle their interest and enjoyment of science, but also provide a modern-day cultural experience, offering a chance to gain access to everything from cutting-edge scientific information to essential everyday scientific knowledge. With engaging questions and clear explanations from physicists, you'll be able to enjoy and understand the once-tedious and difficult physics theories in a fun and engaging way.
Thanks to the passionate interest and anticipation of our subscribers, we have finally compiled the popular YouTube content "Beomjun's Bitten" into a book.
This book also contains physics stories that were not covered on YouTube.
Professor Kim Beom-jun, a statistical physicist, created a YouTube channel to share and communicate his physics knowledge with many people, and it already has 230,000 subscribers and over 20 million views.
"Beomjun Kim's Physics" is a book that fully reveals Professor Beomjun Kim's desire to show us that science is always right next to us, how wonderful and beautiful the world is when seen through the eyes of science, and how happy it is to live as a physicist.
From quantum mechanics to our daily curiosities!
What is quantum mechanics, why does time always flow into the future, what happens when electricity goes out, how do skyscrapers stay still, why do roller coasters make you feel like you're floating, can you make a Bluetooth showerhead, etc.
From a physicist's perspective, we provide logical and scientific explanations to easily understand questions you may have imagined or wondered about in your daily life.
An exciting story about physics in movies
What scientific errors are there in famous films like Interstellar, Frozen, Titanic, Star Wars, and Spider-Man? And what are some must-see films that, as a scientist, you would recommend? Professor Kim Beom-joon, a film lover and physicist, enjoys films and points out flaws in science fiction. He also, as a dedicated film fan, introduces interesting and compelling scenes from science fiction films.
A magical effect that makes science fun!
For those who have lost interest in science since school or adulthood, this book will not only rekindle their interest and enjoyment of science, but also provide a modern-day cultural experience, offering a chance to gain access to everything from cutting-edge scientific information to essential everyday scientific knowledge. With engaging questions and clear explanations from physicists, you'll be able to enjoy and understand the once-tedious and difficult physics theories in a fun and engaging way.
GOODS SPECIFICS
- Date of issue: May 15, 2025
- Page count, weight, size: 336 pages | 526g | 140*210*20mm
- ISBN13: 9791191122923
- ISBN10: 1191122921
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