The rooftop should be on the seventh floor.
Is this it?
(He goes to the rooftop to meet his partner.)
(Where is his pinwheel partner?)
You startled me.
- Gosh. / - Pinwheel?
(A pinwheel spins on the rooftop.)
(Are you...)
(Are you my pinwheel partner?)
What are you doing?
What are you doing?
- Are you my partner? / - Yes.
- Hello. / - Hello.
- You're a man. / - It's nice to meet you.
It's nice to meet you too.
You'll be my guide today.
- I'd be happy to. / - Thank you.
(It's a romantic meeting of two pinwheels.)
Could you introduce yourself?
I'm Creative Integrative Engineering major.
I'm Song Youngwoon.
(Song Youngwoon, Integrative Engineering)
Do you integrate IT creatively?
It applies to various fields such as
medical engineering, electronics, computers,
or architecture. I integrate them
to create a work or conduct research.
Is it like a collaboration?
That's right. It's integration.
What are you doing now?
What's this?
It's POSTECH Meteorological Office.
What's that spinning thing?
That detects how strong the wind is.
- Is it like a pinwheel? / - That's right.
- That explains the hint. / - I see.
Did you make it yourself?
I made it with five other students.
- It's a project that we created. / - That's amazing.
We made it because people are interested in
temperature, humidity, and fine dust level.
After measuring them at school,
we provide the information to the public.
- Can we see it on an app? / - Yes.
- It's cool and hot today. / - Right.
- Take a look. / - It's warm.
It's not very hot,
but the UV index is six. That means high risk.
Isn't it measured at the weather office?
- Meteorological office. / - Right.
- Meteorological info differs. / - I see.
The people in charge in cases of disasters here
use our meteorological service to manage disasters.
You contribute to that.
I guess you're right.
- That's great. / - These days,
earthquakes are the biggest issue
- especially in Pohang. / - In Pohang, right?
There was an earthquake recently.
My plan is to build an earthquake measuring system
on campus during summer vacation.
Shouldn't you play during summer vacation?
- I could play but... / - Goodness.
You're impressive.
- Thank you. / - Gosh.
Here's your mission.
Jongmin's partner, Song Youngwoon
made a meteorological office on campus.
It's a mission related to temperature.
- Temperature? / - Yes.
It's not guessing temperature, is it?
The mission is lowering the temperature.
You pass if you lower over 15 centigrade in 1 minute.
(15 centigrade in 1 minute? What if we die?)
15 centigrade?
15 centigrade sounds easy.
- It sounds easy. / - How?
Do you think it's easy?
15 centigrade sounds possible.
You're the expert, you should know.
Is there a body part that changes the temperature?
The earlobe is probably the lowest in temperature.
But putting an ice cube on the earlobe will be hard.
How about the armpit?
It will be around 30 centigrade.
If we put something cold on it...
Isn't the armpit too sensitive?
(He's careful about armpits.)
- The back of the neck? / - The neck?
Can't we put ice on it like this?
That should work.
Here are tools to lower the body temperature.
(Salt, water, and ice)
(Don't we just need ice?)
(He looks at the tools.)
We're given water, ice, and salt.
Based on chemistry, salt is lower in temperature
when it's saltwater.
- Fish is salted / - Fish is salted.
to lower the temperature and keep the fish fresh.
I thought it was for seasoning.
- To make it salty? / - Yes.
Like salted mackerel.
Let's make saltwater and add ice to it.
Shall I rub it on you?
Okay.
Can you give me water and salt?
Pour more.
This is integration.
(Laughing)
It's a creative integration.
Won't your clothes get wet?
It's okay.
That's good.
Touch and feel it.
- It's freezing. / - It's so cold.
It's much colder than water.
This water is warm.
(Jongmin pretends to be strong.)
All right, shall we start?
Are you taking off your shirt?
Do it.
Start.
(He's completely ready.)
(The current body temperature is...)
It's 34.7 centigrade.
You succeed if it gets lower than 19.7 centigrade
Okay.
Ready, get set, go.
(Rubbing hard)
(He works hard.)
You should keep the ice on
instead of rubbing it. It's not that cold.
- It's not cold. / - It isn't?
(He rubs harder.)
It's cold.
(He sacrifices himself for lunch.)
I'm okay, so don't worry about me.
(Shirtless Jongmin)
Gosh, it's salty.
(Jongmin has a sensitive sense of taste.)
I can endure this.
I feel numb.
(Do I feel numb?)
You have 10 seconds.
- What? / - 10 seconds.
(He pours water.)
It's cold.
The time is up.
(As water is poured, the time is up.)
Stop.
(What's the result?)
It's 10.9 centigrade.
(Screaming in joy)
You clear the mission with 10.9 centigrade.
(It's a success.)
I'll wipe it for you.
Youngwoon is doing another research.
What is it?
It's a self-driving bicycle.
A self-driving car is already a thing now.
A car that drives itself without a driver.
- It parks itself. / - It also parks itself.
And it drives
to the destination itself.
And I'm working on a bicycle
that runs to a destination
without a person controlling it.
(The ambitious work of a genius boy)
This is the self-running bike I'm working on.
It has circuits and computer systems in it.
It makes the bike keep its balance.
May I try it out?
I think I can show you today.
Actually, I cycle a lot.
I'll give you a cool-headed assessment
about what to improve as your elder.
- Let me try. / - Okay.
Does it even work?
- Let me show you first. / - Okay.
As I said, the ultimate goal is self-driving.
But I haven't gotten there yet.
For now, it can keep its balance.
I have this wireless controller that I made.
- I control it with this. / - Like this?
- Yes. I'll ride the bicycle now. / - Okay.
Are you sure it doesn't fall?
It will fall if you don't hold the handlebars.
Speaking as someone who cycles,
you hold the handlebars to keep balance
in order not to fall.
- I'll show you. / - Okay.
- Here I go. / - Okay.
(The self-driving bike takes off.)
I just took my feet off the ground.
(Surprised)
My gosh.
(The bike runs itself without pedaling.)
Can you come back?
(Making a turn is not a problem.)
(The bike runs with the minimum level of control.)
This is it.
- It's not complete. / - No, it's not.
But it can run without pedaling.
This is amazing.
(I'll give it a try for an honest review.)
You should hold the control bar in the middle.
It's moving.
Why is it going this way?
Okay.
I get it. It's moving.
Where is it going?
(What?)
Where is it going?
(Falling with a thud)
What's wrong?
(Dizzy)
This doesn't work for me.
- I'm sorry. / - It's not complete yet.
It's not finished yet.
If you come back next year,
you'll see a bike that runs itself
- It runs itself? / - without a controller.
I'll show you then.
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