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Cake day: July 1st, 2023

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  • The S-IVB-506.

    This was the third stage of the launch vehicle for Apollo 11. After entering Earth orbit, the S-IVB rocket was responsible for the translunar injection burn. Once the burn was complete, the command module, LEM, astronauts and the spent rocket were then coasting to the moon. The astronauts would detach the CSM, pitch up, translate in, extract the LEM, then thrust with RCS to get clear of the S-IVB. At this point, the rocket is still on a coarse to the moon.

    Many of them orbit between the Earth and moon to this day. One is speculated to orbit between the Earth and Sun. Many impacted the lunar surface, including the one from Apollo 13.

    The S-IVB-506 rocket was the one that carried Apollo 11 to the moon. It’s a piece of human history, floating silently in a heliocentric orbit above us.




  • bluemellophone@lemmy.worldtoAsklemmy@lemmy.mlWhy are many men growing beards again ?
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    6 months ago

    Long story short: WW2

    The military required men to be clean shaven, which was partly tactical (proper gas mask seals), partly to whitewash the service (e.g., black men can have severe skin reactions to shaving every day), and had other benefits to unit cohesion and general order (routine personal fitness and hygiene).

    Well, that stuck, and an entire (massive) generation of men and their male children were taught that to be good they simply had to be clean shaven. Those two generations make up the vast majority of business and political power in the US, so the idea of “success” and “power” was idolized by a clean shaven male. This was further accentuated by the counter culture reaction of this cohort’s kids in the 60s and 70s, where longer and unkempt “bad” hair was cast against this “good” clean shaven look.

    Fast forward to today, those traditions and appearances have been baked into most of modern life. As the boomer population starts to fade away, so will the tyranny of the razor.