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Age of Energy ( (どう) (りょく) () (だい) Dōryoku no Jidai) is the fifty-second chapter of the Dr. Stone manga.

Summary

The Kingdom of Science discuss when they believe Tsukasa plans to attack next. Both Senku and Gen estimate that their next battle will happen at the end of winter. Tsukasa, strategizing with Hyoga, seems to agree. They decide to post a guard on Taiju and Yuzuriha, just to make sure they're not doing anything suspicious. Both sides acknowledge that communication will be key in the battles ahead.

Senku and Gen assess the quality of the cotton candy, and establish that the candy thread isn't perfectly uniform, and thus their current setup cannot be used to make gold wires. When observing the process, Chrome points out that the problem is cause when they change spin direction, as the spinning slows down momentarily. Everyone gives suggestions until Senku gives them the best answer: using gears.

Kaseki carves out the notches while Senku comments that Kohaku's shield would be perfect. Kokuyo thinks that Kohaku might have a problem with it, as he was the one to give it to her years ago, having gotten it as a prize during the Grand Bout. Kohaku has no such problem which breaks Kokuyo's heart. The improved cotton candy machine is made, and everyone enjoys the cotton candy once more.

The gears give Chrome an idea, which he drags Kaseki in for. The pair of them rush off to complete their idea while the others begin working on the gold wires. A few days later, Chrome says that they're finished, and brings everyone to see their creation: a waterwheel. Senku is super impressed, despite Chrome's disappointment that Senku already knows what it is.

Characters in Order of Appearance

Chapter Notes

  • The cotton candy machine isn't perfect.
    • It is improved with gears.
  • Gold wire begins getting made.
  • Chrome and Kaseki create a waterwheel.

Trivia

  • In the cotton candy tasting scene, Gen's impression is borrowing Yuzan Kaibara's face form the gourmet manga, Oishinbo.

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Chapters and Volumes
Volume 1 1234567Extras
Volume 2 89101112131416Extras
Volume 3 17181519202122232425Extras
Volume 4 262728293031323334Extras
Volume 5 353637383940414243Extras
Volume 6 444546474849505152Extras
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Volume 12 9899100101102103104105106Extras
Volume 13 107108109110111112113114115Extras
Volume 14 116117118119120121122123124Extras
Volume 15 125126127128129130131132133Extras
Volume 16 134135136137138139140141142Extras
Volume 17 143144145146147148149150151Extras
Volume 18 152153154155156157158159160
Volume 19 161162163164165166167168169
Volume 20 170171172173174175176177178
Volume 21 179180181182183184185186187
Volume 22 188189190191192193194195196
Chapters not yet in tankōbon format 197198199200201202203204205206207208209210211212213214
[v  e]
Story Arcs
Prologue Saga
Stone Formula Arc
Chapters 1234
Episodes 12
Vs. Tsukasa Arc
Chapters 56789101112
Episodes 345
Ishigami Village Saga
Kingdom of Science Arc
Chapters 131415161718192021222324252627282930313233
Episodes 5678910111213
Village Games Arc
Chapters 34353637383940
Episodes 131415
Village Origins Arc
Chapters 4142434445
Episodes 1617
Stone Wars Saga
Vs. Hyoga Arc
Chapters 4647484950
Episodes 1819
Communications Arc
Chapters 5152535455565758596061626364656667686970717273747576777879808182
Episodes 20212223242526272829303132333435
Source of the Petrification Saga
Age of Exploration Arc
Chapters 8384858687888990919293949596979899 100
Episodes 35
Treasure Island Arc
Chapters 101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138
Episodes
The Truth of the Petrification Saga
New America City Arc
Chapters 139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169
Episodes
South America Arc
Chapters 170171172173174175176177178179180181182183184185186187188189190191192193
Episodes
New Stone World Arc
Chapters 194195196197198199200
Episodes
Globetrotting Arc
Chapters 201202203204205206207208209210211212
Episodes
Stone to Space Saga
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