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Helicopter hovering under a partly cloudy sky with rotor blades appearing stationary as it descends over scrubland.

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    Wonder of Science (wonderofscience@mastodon.social)'s status on Wednesday, 06-Aug-2025 08:27:15 JST Wonder of Science Wonder of Science

    When a helicopter's rotors synchronize with the camera frame rate.

    Credit: Like tears in rain/CC-BY-SA-4.0

    In conversation about a year ago from mastodon.social permalink
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GNU social JP is a social network, courtesy of GNU social JP管理人. It runs on GNU social, version 2.0.2-dev, available under the GNU Affero General Public License.

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