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Replying to @elonmusk
Mission: Gravity Hack! 🚀 Experiments show that combining massive ballast (for high terminal velocity) and ballast jettison (for a safe, fast descent) could be the key to reaching the ground fastest. The water-filled egg shell system could outpace a normal skydiver by maximizing speed in freefall and minimizing mass under the parachute. #PhysicsHack #ExtremeInnovation
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Replying to @physicshack
Many thanks, but I've been fighting for some fairness in algorithms (avoiding gaps of entire orders of magnitudes vs accounts that NEVER fail) and with Community Notes, possibly not allowing contributors to focus on my posts only. An example ⬇️
Massimo

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Chinese physics hack?!🤯🤯🤯 Watch the stick glide and float — no wires, no edits. ✨ Pure skill passed down through generations. TAG A FRIEND👈and Try it together🤩 #BlackMagic #PhysicsHack #AncientChina #FYP By Fu Rui and Jiang Xinyi(intern)/China Youth Daily Source:@dahuagunluoxiaotao/Douyin
First time showing foreigners 🧍‍♂🧍‍♀ the legendary Sichuan face-changing opera 🎭— Let’s just say… chaos happened 💥 Reactions? Off the charts 🤯 It’s messy, it’s wild, but it’s worth the watch 😆 #FaceChanging #ChineseOpera #CultureShock #MustSee 🎬 By Wang Ziyuan, Zhang Danni (intern)/China Youth Daily Source: Bianlianzhaogongzi/ Douyin
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23 Feb 2025
When @physicshack says "friction is just a theory", I remind him that without it, his wife would slide right off during their intimate moments. #Physics keeps relationships together. 🔬
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27 Nov 2022
Yeah… leftists aren’t too worried about that. There wasn’t much reliance on facts in Lenin’s Russia either.
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Maybe even a language that explains at very minimum one thing a global working civilization that had this nub capability they are worldwide. youtu.be/dF6owCm2Wjc
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Thank you, might get one now 😁
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5 Apr 2022
@physicshack makes them, and they’re so awesome! He did this customs one for me years ago!
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Replying to @physicshack
Hi David, We never fill cups like this though do we? 😊 We would always leave a 1cm gap to avoid a spillage when you take it from the dispenser - Natalie
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So excited to play with my Vortex Dome from @physicshack
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17 May 2021
If you’ve never seen one of these amazing Vortex Domes before you should definitely go check out @physicshack! David makes some really cools things. I still remember him being kind enough to custom make me a teal version of this which I clearly still love all these years later!
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17 May 2021
Oh yes!! It’s extremely mesmerizing! I’m sad though because I swear over the years it’s lost some of the mica, which I don’t know if that’s even possible but it doesn’t seem as full as it used to be. But I still love it!
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Quality hand-built 'vortex dome' from @physicshack ... relaxing, mesmerising & educational ... love it!
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