Seppo Keinänen

seppokeinanen

Olen suomalainen mies, joka on kiinnostunut tieteestä ja tekniikasta.

粉絲統計

發文統計

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近30天

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用戶	分數
Anssi Pärssinen anssip83	1
Partsinen partsinen	1
Jones Häkkinen joneshakkinen	1
Ari Haaparanta haaparannarska	1
Shadows2244 shadows2244	1
Heikki Hepukka Ylänkö heikkiylanko	1

近期串文

此用戶最近的串文
時間	內容	讚	回覆	轉發
2024-08-31 13:19	Now that's for sure. Boeing's starliner
2024-08-18 14:16	In February 2018, spacex made a test fli
2024-08-11 13:57	In interstellar flight, we need propulsi
2024-08-01 17:30	Boeing's starliner capsule is still stuc
2024-07-24 14:19	current rockets are too slow for a safe
2024-07-19 12:50	Data security is extremely important in
2024-07-10 07:31	the European Ariane 6 launch vehicle mad
2024-07-05 17:55	a solar sail is a good spacecraft propul
2024-06-28 13:29	A directed energy weapon that fits in a
2024-06-21 15:10	Materials Nexus has developed a new perm