752
Pter
(lemmy.world)
1. Be civil
No trolling, bigotry or other insulting / annoying behaviour
2. No politics
This is non-politics community. For political memes please go to !politicalmemes@lemmy.world
3. No recent reposts
Check for reposts when posting a meme, you can only repost after 1 month
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No bots without the express approval of the mods or the admins
5. No Spam/Ads
No advertisements or spam. This is an instance rule and the only way to live.
See also "ornitho" (relating to birds) and "pter" (wing) creating the term ornithopter for a heavier than air vehicle that flies by flapping its wings. Famously seen in Dune, but I think also back in the day people actually tried to make them, long before aircraft existed.