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E20 - The Age of Energy

Source: Crunchyroll
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(Please feel free to edit the speaker names. This is handled on a best-effort basis depending on how the subtitle file was created so they may be incomplete or inaccurate. Dialogue is left as is.)
[00:07] Senku
    We're gonna make cellular phones,
    right here in the stone world!
[00:12] Senku
    Granted, this time it'll just be a
    regular phone, not the smart kind.
[00:19] Chrome
    We can do this!
[00:20] Chrome
    We were able to make sulfa drugs,
    and they took a ton of work, too!
[00:25] Gen
    Uh, listen...
[00:26] Gen
    You guys clearly aren't aware of this,
[00:28] Gen
    but this road map is full
    of implausible things.
[00:34] Senku
    Nothing implausible about it.
[00:37] Senku
    No matter how far off the goal may seem,
[00:40] Senku
    if you stick to the rules, you'll get
    there ten billion percent of the time.
SIGN    Copper
SIGN    Coal
SIGN    Charcoal
SIGN    Beehive
SIGN    Sulfuric
    Acid
SIGN    Lead
SIGN    Tin
SIGN    Solder
SIGN    Gold
SIGN    Wire
SIGN    Coil
SIGN    Mercury
SIGN    Vacuum
    Pump
SIGN    Phosphorus
SIGN    Rochelle
    Salt
SIGN    Plastic
SIGN    Battery
SIGN    Circuit Board
SIGN    Vacuum Tube
SIGN    Light Bulb
SIGN    Wine
SIGN    Microphone
SIGN    Headphones
SIGN    Cell Phone
[00:45] Senku
    That's how science works.
[00:49] Senku
    We have a few months to finish it.
[00:52] Kohaku
    What do you mean?
[00:53] Senku
    That's how long we have before
    Tsukasa's full-on assault.
[00:57] Senku
    What's your take, mentalist?
[00:59] Gen
    Let's see...
[01:00] Gen
    Thinking like Tsukasa-chan...
[01:09] Gen
    We control the revival fluid.
[01:11] Gen
    The more time that passes, the greater
    our advantage in manpower. Yes.
[01:15] Gen
    But it's Senku we're up against.
[01:17] Gen
    If we give him too much time,
    he'll start mass-producing gunpowder.
[01:23] Senku
    Your voice imitations are way too accurate.
[01:28] Tsukasa
    We'll take every precaution to
    ensure that we defeat Senku.
[01:33] Tsukasa
    We're going to need to divert a lot of
    manpower in preparation for the winter.
[01:40] Tsukasa
    Also, Hyoga, according to your information,
[01:43] Tsukasa
    the kingdom of science is a fortress on water.
[01:46] Hyoga
    Yes.
[01:48] Hyoga
    It's protected by a lake that all
    but freezes over in the winter.
[01:51] Hyoga
    If they hold the fort,
    it will be difficult to attack.
[01:54] Hyoga
    Our morale and food wouldn't
    outlast theirs in an encirclement.
[01:59] Chrome
    First of all...
[02:00] Chrome
    Aren't Taiju and Yuzuriha in danger if
    Tsukasa finds out you're still alive?
[02:06] Kohaku
    Won't they be killed?
[02:08] Senku
    That won't be an issue.
[02:11] Senku
    Those two are potential hostages to them.
[02:13] Senku
    They won't waste that.
[02:18] Hyoga
    Is it safe to let Taiju-kun
    and Yuzuriha-kun roam free?
[02:23] Tsukasa
    I'll have someone watch them.
[02:25] Tsukasa
    But let's continue interacting
    with them as we have
[02:27] Tsukasa
    so they won't suspect anything.
[02:29] Tsukasa
    Even if Taiju and Yuzuriha are spies,
[02:33] Tsukasa
    there's no way for them to convey
    information in this world.
[02:39] Tsukasa
    The greater concern is a
    preemptive attack from Senku.
[02:45] Hyoga
    I have Homura-kun keeping an eye on them.
[02:47] Hyoga
    Although we don't have any
    means of communication, either,
[02:50] Hyoga
    so there's a delay in getting information.
[02:55] Hyoga
    How ironic.
[02:58] Hyoga
    The importance of communication
    and information transfer
[03:02] Hyoga
    is especially important in
    such a primitive battle.
[03:07] Senku
    The rules of the game are simple.
[03:10] Senku
    We're going to make cell phones in order to
    take Tsukasa down with a preemptive strike.
[03:17] Tsukasa
    So the battle will happen right
    after the winter snow melts.
[03:21] Senku
    Our deadline is spring.
SIGN    The Age of Energy
[05:06] Chrome
    It sure makes a difference
    having so many people to help.
[05:10] Kohaku
    It's all because Senku won the
    seat of the village chief.
[05:14] Senku
    Good news indeed.
SIGN    Copper
SIGN    Coal
SIGN    Charcoal
SIGN    Beehive
SIGN    Sulfuric
    Acid
SIGN    Lead
SIGN    Tin
SIGN    Solder
SIGN    Gold
SIGN    Wire
SIGN    Coil
SIGN    Mercury
SIGN    Vacuum
    Pump
SIGN    Phosphorus
SIGN    Rochelle
    Salt
SIGN    Plastic
SIGN    Battery
SIGN    Circuit Board
SIGN    Vacuum Tube
SIGN    Light Bulb
SIGN    Wine
SIGN    Microphone
SIGN    Headphones
SIGN    Cell Phone
[05:17] Senku
    We're taking on the huge task of making
[05:20] Senku
    cell phones in the stone world.
[05:23] Senku
    There's a mountain of
    hurdles we need to clear.
[05:26] Chrome
    Oh, yeah!
[05:28] Chrome
    That cell phone thing!
[05:29] Chrome
    Tell me how it lets you talk
    to people really far away!
[05:32] Chrome
    C'mon, tell me! Hurry up!
[05:34] Kaseki
    How does it work?!
[05:36] Kaseki
    Hurry up and tell me!
[05:38] Senku
    Give me some space!
[05:40] Senku
    You're getting way too excited.
[05:43] Senku
    Listen up.
[05:44] Senku
    Your voice is a vibration of air.
[05:47] Senku
    Point that vibration at a diaphragm,
[05:50] Senku
    and it produces a super tiny electrical
    current in rhythm with the vibration.
[05:55] Chrome
    Oh, damn!
[05:56] ---
    Oh, damn!
[06:00] Senku
    The current is way too small,
    of course, so you blow it up.
[06:04] Senku
    For our purposes, we're using a vacuum tube.
[06:07] Senku
    Then, we send it around
    and around in a circle,
[06:11] Senku
    which sends it flowing
    in a wave of power.
[06:14] ---
    Oh, damn!
[06:15] Senku
    That's called a radio wave.
[06:18] Senku
    The listening side just
    does the exact opposite.
[06:18] ---
    Oh, damn!
[06:23] ---
    Oh, damn!
[06:25] Chrome
    O-Oh! I got about half of that!
[06:29] Kaseki
    I got none of it.
[06:31] Gen
    This conversation's so high-IQ,
    it's making my head hurt.
[06:35] Gen
    What exactly are we going to make first?
[06:39] Senku
    The first thing we're making in
    our giant science project is...
[06:46] Senku
    a cotton candy machine.
[06:48] Chrome
    Cot...
[06:49] Kaseki
    ...ton...
[06:50] Suika
    ...can...
[06:51] Kohaku
    ...dy?
[06:55] Gen
    The conversation's IQ just
    dropped by, like, a hundred.
[07:00] Gen
    Are you okay?
[07:06] Homura
    Making... something.
[07:09] Homura
    New weapon?
[07:33] Suika
    What's this?
[07:36] Senku
    You put sugar crystals in
    here and spin it around.
[07:39] Senku
    The centrifugal force pushes the
    molten sugar out through the small holes,
[07:44] Senku
    resulting in thin strands.
[07:47] Senku
    That makes cotton candy.
[07:49] Senku
    But what do you think would happen
    if you used gold instead of sugar?
[07:57] Chrome
    We'll get gold threads!
[07:59] Senku
    Correct. Ten billion points.
[08:01] Gen
    Oh, like the wires in electronics.
[08:05] Gen
    The conversation's IQ is finally going back up.
[08:09] Kohaku
    All right!
[08:10] Kohaku
    Let's go get the gold!
[08:12] Senku
    No, gold's precious.
[08:14] Senku
    We can't afford to mess up.
[08:16] Senku
    Let's try cotton candy first.
[08:19] Senku
    We have to test it out.
[08:24] Gen
    Ah, you're right.
[08:26] Gen
    We need to taste... I mean, test it.
[08:35] Sagan
    Someone named Homura started this fire.
[08:39] Sagan
    We lost a lot of potato wine and
    mirin that was almost ready.
[08:43] Sagan
    It was burning for a long time.
[08:46] Sagan
    Look.
[08:48] Sagan
    It's turned into chunks on
    the rims of the barrels.
[08:51] Kohaku
    What are we doing with the damaged wine?
[08:53] Senku
    This is stuff you can get by boiling
    wine and mirin for a really long time.
[08:58] Senku
    They're sugar crystals.
[09:12] Kohaku
    What's that fluffy stuff?
[09:14] Ganen
    Man, it smells so good.
[09:19] Suika
    It's so white, like a cloud.
[09:37] Kohaku
    This is indescribable!
[09:41] Ruri
    It's going to melt me to my core.
[09:44] Suika
    It is!
[09:47] Kohaku
    Here, Father, try some.
[09:50] Kokuyo
    It's rather suspicious-looking.
[10:05] Gen
    They've never had any actual candy before.
[10:07] ---
    It's so good!
[10:10] Senku
    Yeah.
[10:11] Senku
    It's just cotton candy, but for
    someone who's never had it before,
[10:14] Senku
    it must be a mind-blowingly
    pleasurable drug.
[10:18] Gen
    Gotta thank Homura-chan for
    making the materials for us
[10:22] Gen
    by starting that fire, huh?
[10:26] Senku
    Gen...
[10:28] Senku
    Do you know what kind of woman Homura is?
[10:33] Ginro
    What's going on? Do you get
    curious about girls, too, Senku?
[10:39] Ginro
    Do you have a thing for petite girls?
[10:41] Chrome
    No, I don't think that's what he meant.
[10:44] Kohaku
    You guys don't know Senku very well.
[10:47] Senku
    We're being watched.
[10:49] Senku
    All of us.
[10:50] Senku
    By that Homura chick.
[10:53] Gen
    I'm sure we are.
[10:55] Gen
    She's the only one Hyoga-chan trusts.
[10:59] Ginro
    Even right now?
[11:00] Senku
    Of course she's watching us.
[11:02] Senku
    From a good distance, where she
    can see if we make any big moves,
[11:06] Senku
    so she can chase us down
    if we were all to run away.
[11:13] Ginro
    I thought we'd just run
    away if things got bad.
[11:16] Kohaku
    Not that we'd ever run away.
[11:19] Kokuyo
    Indeed. We have many elderly people
    who couldn't endure a move.
[11:22] Kohaku
    There are no cowards in this village
    who would leave the elderly behind.
[11:27] Ginro
    Eep!
[11:28] Ginro
    N-Nope!
[11:29] Ginro
    Of course there aren't!
[11:31] Gen
    Well, Homura-chan respects
    Hyoga-sama like crazy.
[11:35] Gen
    She'd never disobey him if
    he told her to watch us.
[11:39] Gen
    So she won't cause us any
    trouble if we leave her be,
[11:43] Gen
    but I don't think we could get
    her to switch sides or anything.
SIGN    Cotton Candy
[12:14] Homura
    Cotton candy?
[12:20] Senku
    Don't worry, it's not
    poisoned or anything.
[12:23] Senku
    Give half of it to an
    animal if you're worried.
[12:30] Homura
    Fool. Not trying it.
[12:34] Chrome
    Hey, Senku, why did we give
    an enemy cotton candy?
[12:39] Senku
    If Homura's keeping an eye on us,
[12:41] Senku
    she'll let Tsukasa know
    about the cotton candy.
[12:44] Senku
    Sweets are crazy tempting.
[12:47] Senku
    Some of them might
    rethink their allegiance.
[12:51] Kohaku
    I see.
[12:52] Gen
    You're as nasty as ever, Senku-chan.
[12:55] Gen
    I mean that as a compliment, honestly.
[13:04] Ruri
    I'm sure he means that in
    a strategic way, too...
[13:12] Ruri
    But I think Senku-san also just wanted
[13:17] Ruri
    to share some candy with a girl.
[13:23] Ruri
    I think that's all he really meant.
[13:29] (Flashback) Hyoga
    We're dealing with people so naïve that they
    wouldn't even abandon a village guard.
[13:35] Homura
    One lick... I'm dead?
[13:38] Homura
    Surely not.
[13:59] Homura
    Sweet...
SIGN    Senkutei
[14:11] Ginro
    P-P-Please and thank you.
[14:24] Senku
    This cotton candy...
[14:27] Senku
    It's puffy and melts on my tongue,
[14:30] Senku
    yet it has a good amount of roughness.
[14:33] Gen
    Alas!
[14:34] Gen
    The inconsistency of the cotton
    is defeating the flavor's balance.
[14:40] Ginro
    I'll work harder next time!
[14:43] Ginro
    Wait, no!
[14:44] Ginro
    You just made me go along with a meme!
[14:47] Ginro
    Who cares about how
    well-balanced cotton candy is?!
[14:50] Gen
    You guys got the word "meme," huh?
[14:53] Gen
    Was that in the Hundred Tales?
[14:55] Senku
    Damn it, my dad is such a joke.
[14:58] Ginro
    Do we really have so much time to waste?!
[15:01] Ginro
    Tsukasa-kun's gonna be here
    before our phone's done!
[15:05] Senku
    Relax.
[15:07] Senku
    We're discussing a serious matter.
[15:09] Kohaku
    The flavor of cotton candy?
[15:11] Gen
    If the cotton candy ends up
    with a bunch of clumps,
[15:14] Gen
    so will the gold wire, right?
[15:18] Chrome
    Oh, that makes sense!
[15:20] Chrome
    Man, good thing we tested
    with cotton candy first, huh?
[15:24] Senku
    Yeah.
[15:25] Senku
    We have to figure out what's causing
    the clumps before we throw in the gold.
[15:29] Kaseki
    We're always doing last-minute
    trial-and-error, huh?
[15:42] Chrome
    There!
[15:45] ---
    Yeah.
[15:46] Senku
    It's the moment the rope's tugged
    in the opposite direction.
[15:49] Senku
    The rotation speed drops,
    which causes it to clump up.
[15:53] Kohaku
    Is there a way to make it work
    smoothly without losing speed?
[15:57] Kohaku
    Using your brotherly bond, maybe?
[15:59] Kinro
    That's crazy.
[16:02] Chrome
    Then let's use a stupidly long rope.
[16:05] Chrome
    Like, a kilometer long.
[16:06] Ginro
    I'll die!
[16:07] Kaseki
    How about we spin it by hand,
    like that generator over there?
[16:11] Senku
    That's too slow.
[16:13] Kohaku
    That's what willpower's for!
[16:14] Kinro
    Maybe if we take turns.
[16:17] Kokuyo
    We need people, though.
[16:20] Kokuyo
    We need to start preparing for winter.
[16:22] Kokuyo
    We can't give all our
    manpower to science work.
[16:25] Gen
    That's always the issue, huh?
[16:27] Gen
    We can't use revival
    fluid to get more people.
[16:34] Senku
    Guess we'll have to make it, then.
[16:38] Senku
    It's a bit of work, but super craftsman
    Kaseki-sama can pull it off.
[16:47] Senku
    We're making what revolutionized
    energy in human history...
[16:50] Senku
    The gear!
[16:53] Senku
    Kohaku's shield, just when we need it!
[16:56] Senku
    It's ten billion percent
    the right shape for a gear.
[17:00] Kaseki
    You're using that?
[17:03] Ginro
    Didn't the village chief
    give that to his daughter
[17:06] Ginro
    Kohaku-chan to celebrate his victory?
[17:08] Ginro
    ...to his daughter Kohaku-chan?
[17:10] Ginro
    ...to his daughter Kohaku-chan?
[17:12] (Flashback) Referee
    Grand Bout victor: Kokuyo!
[17:16] (Flashback) Crowd
    Congrats!
[17:19] (Flashback) Kohaku
    This is so nice.
[17:21] (Flashback) Kokuyo
    All right, you can have it.
[17:24] (Flashback) Kohaku
    Thank you, Father!
[17:26] Kohaku
    Father!
[17:27] Kohaku
    Father!
[17:28] Kokuyo
    Well, I don't mind, but...
[17:33] Kokuyo
    It means a lot to Kohaku,
    since she received it from her father.
[17:38] Kokuyo
    So I don't know what she would say.
[17:40] Kohaku
    Nah, I don't mind at all.
[17:43] Kohaku
    Practicality first.
[17:45] Chrome
    So savage!
[17:55] Ginro
    This is amazing!
[17:56] Ginro
    It's so easy!
[17:57] Ginro
    I only have to go in one direction,
    and I can go slowly!
[18:00] Ginro
    I could keep going forever on my own!
SIGN    Gear acquired!!
[18:09] Chrome
    Can go slowly?
[18:11] Chrome
    Forever in one direction?
[18:15] Chrome
    It spins around and catches...
[18:19] Chrome
    Holy crap! I have an idea!
[18:22] Chrome
    This is gonna rock!
[18:25] Kaseki
    What's gotten into you?!
[18:27] Chrome
    Just hear me out!
[18:35] Kaseki
    Right! Let's haul ass!
[18:40] Kohaku
    That's suspicious.
[18:42] Kohaku
    What's Chrome up to?
[18:44] Senku
    He must've come up with some scheme.
[18:47] Senku
    Let him be.
[18:48] Gen
    When a boy's up to mischief,
    you're not supposed to look until he's done.
[18:54] Senku
    We don't have time to
    be worrying about him.
[18:57] Senku
    You're all in for hellish work.
[19:01] Senku
    We twist these gold threads together into a
    super thin wire that we'll work into a coil.
[19:07] Kohaku
    And how long do we need to make it?
[19:10] Senku
    I'd say...
[19:12] Senku
    From right around here...
[19:14] Senku
    to that mountain!
[19:17] Gen
    So we're relying heavily
    on manpower again.
[19:20] Gen
    Thank goodness you became the
    village chief, huh, Senku-chan?
[20:11] Chrome
    It's... It's done, Senku.
[20:16] Chrome
    We stayed up for three whole days.
[20:29] Kohaku
    What is this?
[20:36] Kaseki
    I'm awesome, too, but it's this blade
    of science that's really awesome.
[20:40] Kaseki
    It would have never worked if I
    didn't have this iron cutting tool.
[20:45] Kaseki
    This damn thing!
[20:46] Chrome
    What do you think, Senku?
[20:47] Chrome
    Is my invention awesome or what?
[20:49] Chrome
    This is payback for when you
    got me good with the magnet!
[20:54] Kaseki
    You can be more shocked than that.
[20:57] Senku
    It's a waterwheel.
[20:58] Chrome
    You do know what it is?! Damn it!
[21:01] Kinro
    A waterwheel?
[21:03] Kaseki
    I'd already come up with a name for it!
[21:06] Kaseki
    The Forever Spinny Cotton Candy Machine!
[21:08] Ginro
    I like waterwheel better.
[21:11] Senku
    Oh, I'm plenty shocked, all right.
[21:14] Senku
    I can't believe you built something
    like this without any knowledge.
[21:24] Senku
    This is a way bigger deal than an
    automatic cotton candy machine.
[21:29] Senku
    There's something else, remember?
[21:32] Senku
    That thing Kinro and Ginro had been spinning.
[21:38] Gen
    You don't mean...
[21:47] Senku
    With gears and a waterwheel,
    the age of human power is over.
[21:56] Senku
    With an infinite contraption
    that requires no fuel...
[22:02] Senku
    We're finally harnessing the power of nature.
[22:10] Senku
    We're overcoming manpower and
    entering the age of energy!
SIGN    Hydroelectric power plant acquired!!
SIGN    Spartan Crafts Club
SIGN    Next Episode
SIGN    Spartan Crafts Club
SIGN    This is a work of fiction, but the plants, animals, and production methods described are based on reality. Foraging and making things on your own accord is extremely dangerous and, in some cases, illegal. Please do not imitate without expertise.