#ancientegyptians — Public Fediverse posts
Live and recent posts from across the Fediverse tagged #ancientegyptians, aggregated by home.social.
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The next big #EnergyStorage device could be a 1000 °C #SandBattery
With high specific heat, low thermal conductivity, and no risk of fire, sand-based energy storage systems are gaining traction in grid-scale and industrial heating applications.
by Georgina Jedikovska, Jul 17, 2025
Excerpt: "While at first glance, sand might not seem like the most high-tech solution for energy storage, its ability to capture and retain heat has been harnessed for millennia.
"Sand might not seem high-tech, but its thermal properties have been used since antiquity. #AncientEgyptians mixed sand, silt, and straw to construct homes that absorbed solar heat by day and slowly released it by night.
"Today’s engineers are taking that principle further using refined materials, insulated steel silos, and precision heating systems to build high-temperature thermal energy reservoirs using sand."
Read more:
https://interestingengineering.com/energy/sand-batteries-clean-energy-storageArchived version:
https://archive.ph/KW2T0#SolarPunkSunday #SandBatteries #RenewableEnergy #AncientTechnology
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The discovery of #Tutankhamun’s tomb in 1922 reopened arguments about the presumed race of the #ancientEgyptians. Were they Black and why did it matter?
⌛️ Last chance to read this archive article for free
https://www.historytoday.com/archive/feature/tutankhamun-black-king
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Oh, look, ancient Egyptians were WAY ahead of us with their cosmic art skills, but guess what? 🚀💫 Your #curiosity just hit a 400 Bad Request wall! Now, let's all email support and hope they have the Rosetta Stone for #debugging. 📧🔍
https://phys.org/news/2025-04-depictions-milky-ancient-egyptian-imagery.html #ancientEgyptians #cosmicArt #400BadRequest #emailSupport #HackerNews #ngated
