Matthew Greenさんのイラストまとめ
@matthew_d_greenFollow @matthew_d_greenさんをフォローする
I teach cryptography at Johns Hopkins. Mastodon at [email protected] and BlueSky at matthewdgreen.bsky.social. Bluecheck not my decision ;)
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I'm glad the early Catholic astronomers couldn't see this. Would have given them nightmares.
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This seems a good time to mention that the light on some Mac webcams is software controlled (thanks @stevecheckoway)
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