The last two panels always break my heart. I wish I could give him a hug.

In case anyone wants more adorable hamster pictures, the hamster’s name is Sukeroku by the artist Gotte.

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The current three blade design of utility-scale turbines achieves about 80% of the Betz limit, are relatively efficient in materials for their output, and the blades’ pitch can be adjusted to control their speed in varying conditions (eg. during storms). I wouldn’t call their design “incredibly stupid”.