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GNU social JPは日本のGNU socialサーバーです。
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    Prof Heino Falcke (hfalcke@mastodon.social)'s status on Sunday, 15-Sep-2024 11:09:22 JST Prof Heino Falcke Prof Heino Falcke

    Help! My granddaughter asks why the spoon in a glass of water looks bigger than in air. How do I explain geometric optics and the reflective index of water to a 2 ½ year old … 😳🙈?
    #physics #scicomm

    In conversation about 8 months 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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