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Einstein at age 25, in a tweed suit. He is seated at a desk with his right arm resting on a podium or lectern. He has dark hair, and is looking to the left of the photographer in this posed photo.

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https://files.mastodon.social/media_attachments/files/111/137/618/172/709/924/original/5d614417ae48925a.jpeg

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  1. Robert McNees (mcnees@mastodon.social)'s status on Wednesday, 27-Sep-2023 14:37:58 UTC Robert McNees Robert McNees

    If there is one physics formula everyone knows, it's E = mc².

    Einstein proposed the famous equivalence between energy and mass in his second special relativity manuscript, which he submitted to Annalen der Physik #OTD in 1905.

    https://www.fourmilab.ch/etexts/einstein/E_mc2/www/

    In conversation about a year ago from mastodon.social permalink
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Chirp! is a social network. It runs on GNU social, version 2.0.1-beta0, available under the GNU Affero General Public License.

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