About the Author
Planner's note
Character introduction

Chapter 1.
There's a strange house in Sunlight Village?
Secret Research Journal ① Phenomena Caused by Gravity

Chapter 2.
Chairman Ma's secret conspiracy
Secret Research Journal ② The Principles of Rockets

Chapter 3.
One step into the incident!
Secret Research Journal ③ Newton's Gravity and Einstein's Gravity

Chapter 4.
What's happening on the second floor?
Secret Research Journal ④ What Happens in Space

Chapter 5.
Chairman Ma's disappointment and an unexpected discovery
Secret Research Journal ⑤ The Identity of Black Holes

Chapter 6.
Our bizarre operation
Secret Research Journal⑥ Buoyancy caused by gravity

Chapter 7.
Defend the Gravity Idea!

Physical Idea Encyclopedia
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Preview of Volume 2

ㆍ No more difficult physics! We've made physics easy.

What comes to mind when you hear the word "physics"? Do you immediately think of complex laws and dazzling, arcane mathematics? Most people know the equation F=ma, but they don't fully grasp its meaning.
What about the law of action and reaction, the second law of thermodynamics? At this point, you might wave your hand and ask why you need to know it.
But physics is not about these laws and formulas.
Physics is in our daily lives.
In fact, everything we experience is physics.
As you can see from the meaning of the word physics, physics is the principle of everything in the world.
"The Suspicious Lab of Physics Doctor Kim Sang-wook" easily explains physics stories we encounter every moment through examples and stories.
'Seeing the words written on the blackboard', 'Jumps bring you back to the ground', 'Salt and sugar taste different'.
Can you believe that physics is hidden in these seemingly simple things? Discover the physics alive and breathing all around us with this book.

ㆍ Meet the living, breathing, mischievous physics.

Physics is invisible to the eye.
That is why it is not easy for children to understand the abstract statement that ‘physics is alive.’
To address this issue and visually demonstrate physics concepts to children, we used a setting where physics concepts come alive, breathing, and in action.
And so we gave the name 'idea' to this actual living physical concept.
Ideas cause trouble and incidents related to their physics concepts around Mr. Kim Sang-wook, Gun-woo, Tae-ri, and Ha-na.
Through the "Physics Doctor Kim Sang-wook's Suspicious Lab" series, children will experience the fascinating phenomena caused by ideas and naturally learn about each physics concept, as well as learn how closely each physics concept is related to our lives.
Furthermore, children will be able to become more familiar with physics by looking at the charming and cute idea characters that best embody the characteristics of each physical concept.

ㆍ Unleash your pure curiosity through this book.

We encounter science at every moment of our lives.
When we wake up in the morning, we open our eyes to the sound of our phone's alarm, eat food cooked by a home appliance, and cry and laugh together while watching TV.
But adults think that science is only for experts and scholars.
As our lives are closely related to science, science is our common sense and culture in modern times.
What about children, on the other hand? Children have a pure curiosity.
We try burning paper with a magnifying glass and making paper boats and floating them on water.
Even without any specialized theory or knowledge about convex lenses or buoyancy.
It all starts with curiosity.
If we can maintain and develop children's genuine curiosity about science, it may not be so difficult to make science a liberal art.
I hope that through "The Suspicious Lab of Physics Doctor Kim Sang-wook," children's curiosity about physics will be awakened, and that it will motivate them to pursue a deeper understanding of physics.

Knowing physics makes science easy.

Would you believe we were all scientists as children? If you ever dug into the ground out of curiosity, walked endlessly to reach the end of a rainbow, or took apart a toy to see how it worked, you were a scientist.
Perhaps a scientist is someone who has retained the interests of childhood.
So shouldn't we protect our children from losing interest in science?

Physics is special among sciences.
It is no exaggeration to say that the discipline we call science today began with Newtonian physics in the 17th century.
Roughly speaking, modern science is an activity carried out by physical methods, using the language and concepts of physics.
Just like calculating atomic structure in chemistry, talking about energy in life sciences, using quantum mechanics in electronics, and applying the theory of relativity in astronomy.
Because physics is a discipline that deals with the most fundamental principles contained in all of nature.
So, if you don't know physics, it's hard to understand science.

If you don't become a scientist, do you really need to know physics? We live in an age of science and technology.
Most of the significant changes that have occurred over the past 200 years have been the result of science and technology.
This means that we live in an era where we cannot live even for a single moment without science and technology.
Now, science is no longer just the knowledge of experts, but has become common sense and a form of culture for modern life.

Children are already familiar with, and even enjoy, many of the challenging topics covered in physics. Examples include black holes, the Big Bang, time machines, teleportation, invisibility cloaks, atomic bombs, and parallel universes, all of which are staples of science fiction films.
However, when you actually encounter textbook physics armed with mathematics, you lose interest.
To properly understand physics, you must ultimately know mathematics, but mathematics is not absolutely necessary to understand physics as a liberal arts subject.
In fact, even for physicists, an intuitive understanding of nature is often more important than rigorous mathematical formulas.
I believe it's more important to awaken children's existing curiosity about physics and motivate them to want to learn proper knowledge.

When I received the publishing offer, I was reminded of my childhood when I used to read science educational comic series from time to time.
I remember being fascinated by stories about dinosaurs and insects, but finding stories about physics boring.
I sometimes wonder if, if I had read physics stories as interestingly as dinosaurs or insects, I might have been able to dream of becoming a physicist earlier.

In preparing this series, Dr. Kang Shin-cheol and I organized the physics concepts that absolutely had to be covered, and based on that, author Kim Ha-yeon created a story that children would really enjoy.
I especially like the premise that I appear and solve mysteries with the kids, and along the way, important physics concepts are introduced one by one.
Above all, I expect that I will be able to immerse myself even more because the illustrations by Jeong Sun-gyu are so wonderful and lovely.
I hope that reading this book, which I have put my best effort into, will be an opportunity for many children to fall in love with physics.

Physicist Kim Sang-wook