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- Elon Musk on Twitter: "@Erdayastronaut @flcnhvy Raptor liberated its oxygen turbine stator (appears to be mechanical, not metal combustion failure), so we need to update the design &ampampampampampampampampampampampampampampampampampampampampampamp; replace some parts. Production is ramping exponentially, though. SN6 almost done. Aiming for an engine every 12 hours by end of year." / Twitter https://twitter.com/elonmusk/status/1143019549492744203 381 comments
- Elon Musk on Twitter: "Starship Super Heavy with 35 Raptors" / Twitter https://twitter.com/elonmusk/status/1152853620682924032 245 comments
- Goodbye Aberration: Physicist Solves 2,000-Year-Old Optical Problem | PetaPixel https://petapixel.com/2019/07/05/goodbye-aberration-physicist-solves-2000-year-old-optical-problem/ 207 comments
- Elon Musk on Twitter: "@austinbarnard45 Exciting progress in Boca! Hopper almost ready to hover. Based on tonight’s test, looks like 600 Hz Raptor vibration problem is fixed. https://t.co/9bLWOHG0sV" / Twitter https://twitter.com/elonmusk/status/1147790758449012736 203 comments
- Unsupervised word embeddings capture latent knowledge from materials science literature | Nature https://www.nature.com/articles/s41586-019-1335-8 160 comments
- Elon Musk on Twitter: "Engine cam https://t.co/3cWHU50353" / Twitter https://twitter.com/elonmusk/status/1154629726914220032 156 comments
- Elon Musk on Twitter: "Drone cam https://t.co/gVdMrMgUZq" / Twitter https://twitter.com/elonmusk/status/1154674872041103360 147 comments
- Staged combustion cycle - Wikipedia https://en.wikipedia.org/wiki/Staged_combustion_cycle#Full-flow_staged_combustion_cycle 125 comments
- Tweet / Twitter https://twitter.com/elonmusk/status/1154604015822311424?s=09 125 comments
- Elon Musk on Twitter: "Falcon 9 piercing the sound barrier on reentry https://t.co/pMkBaeHVqT" / Twitter https://twitter.com/elonmusk/status/1155414118574067713?s=09 117 comments
- Elon Musk on Twitter: "@SpaceXUpdates Pc (chamber pressure) high due to colder than expected propellant" / Twitter https://twitter.com/elonmusk/status/1154261135245246465?s=19 116 comments
- The Illustrated Word2vec – Jay Alammar – Visualizing machine learning one concept at a time. https://jalammar.github.io/illustrated-word2vec/ 53 comments
- Starhopper successfully conducts debut Boca Chica Hop - NASASpaceFlight.com https://www.nasaspaceflight.com/2019/07/spacex-resume-starhopper-tests/ 53 comments
- CubeSatShop.com - One-stop webshop for CubeSats & Nanosats https://www.cubesatshop.com/ 30 comments
- Sagittarius A* - Wikipedia https://en.wikipedia.org/wiki/sagittarius_a*#orbiting_stars 29 comments
- Black hole - Wikipedia http://en.wikipedia.org/wiki/Black_hole#Evaporation 26 comments
- Aerogel - Wikipedia http://en.wikipedia.org/wiki/aerogel 25 comments
- Enabling Martian habitability with silica aerogel via the solid-state greenhouse effect | Nature Astronomy https://www.nature.com/articles/s41550-019-0813-0 25 comments
- Peptide ligation by chemoselective aminonitrile coupling in water | Nature https://www.nature.com/articles/s41586-019-1371-4 24 comments
- Cosmic Ray Update: New Results from the Moon | Spaceweather.com https://spaceweatherarchive.com/2019/07/16/cosmic-ray-update-new-results-from-the-moon/ 23 comments
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