Xavier Mareca
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xavierdatatech.bsky.social
Xavier Mareca
@xavierdatatech.bsky.social
🌉 Building bridges between data & culture
📊 Data Alchemist: PySpark | LLMs | Power BI
🎭 AI Storyteller exploring creative collisions
🌍 EN/ES/FR/DE
Pinned
🚀 Day 8 – Final of the LLM Observability Mini-Course
🔍 Prometheus + Grafana to monitor LLM apps
📊 Metrics: requests, errors, latency
🛠️ Dashboards + alerts
🧩 Integration via docker-compose and prometheus.yml

#LLM #Observability #MLOps #Grafana #Prometheus #AI #Python #LangChain #XavierDataLabs
AI’s environmental cost is rising fast.
Cornell University finds that by 2030, AI systems could use enough water for 10 million people and emit CO₂ equal to 10 million cars.
Smart tech — but not a smart footprint. 🌎⚡
#AI #ClimateTech #Sustainability #Energy #Innovation
November 11, 2025 at 9:48 AM
Alaska’s biggest solar farm is also growing food 🌾☀️
Scientists are testing agrivoltaics — using the space between solar panels to cultivate crops.
Clean energy + local food = smarter resilience.
#Alaska #Innovation #SolarEnergy #Sustainability #ClimateTech
November 9, 2025 at 9:35 AM
Autonomous drones are now cleaning solar panels across China — even in remote deserts and city rooftops.
Up to 25% more energy efficiency, less manual labor, and smarter maintenance.
The future of solar looks very automated ☀️🤖
#CleanEnergy #Innovation #China #SolarTech #AI #Sustainability
November 9, 2025 at 9:28 AM
China is moving beyond cash and cards — millions now pay just by showing their face or palm.
Impressive innovation, but what happens to privacy and personal freedom?
#China #Tech #AI #Innovation #DigitalPayments #Privacy
November 9, 2025 at 9:28 AM
Over 1.1 million U.S. layoffs announced in 2025 — the largest wave since the Great Recession.
UPS, Amazon, Target and others are slashing jobs as the economy shows cracks.
Are we on the edge of a new downturn?
#Layoffs #Economy #Jobs #Recession #LaborMarket #WashingtonPost #Finance
November 7, 2025 at 10:10 PM
🚄 While Europe debates and Japan refines, China builds.
In just 20 years: 45,000+ km of high-speed rail, 700+ cities linked, trains up to 350 km/h.
A masterclass in scale, planning & execution — powered by data and design.
#China #HighSpeedRail #Innovation
November 6, 2025 at 10:57 AM
🇳🇱 In the Netherlands, parks are turning waste into light 💡
Mini biogas domes process café food scraps, grass clippings & dog waste to generate clean methane that powers nearby lanterns.
🌱⚡️
#Netherlands #GreenTech #DataAndSustainability #CircularEconomy #CleanEnergy #UrbanInnovation #SmartCities
November 6, 2025 at 10:23 AM
🇨🇭 Switzerland has built the world’s largest foldable solar roof!
📍 Uetendorf (Canton of Bern)
☀️ 20,000 m² of panels (≈3 football fields)
⚡ 3,400 MWh/year — powers 700 homes
❄️ Panels retract in case of wind, snow or hail
A stunning blend of #Engineering and #Sustainability 💡
#Switzerland #SolarEnergy
November 6, 2025 at 9:33 AM
Europe on the move.
The EU’s new High-Speed Rail Plan links major cities faster than ever —
Lisbon–Madrid (3h), Paris–Berlin (4h), Rome–Vienna (4h30).
Cleaner travel. Stronger connections.
#EuropeOnTrack #Innovation #Sustainability #Mobility
November 5, 2025 at 8:46 PM
Reposted by Xavier Mareca
AI data centers are straining already fragile power and water infrastructures in communities around the world, leading to blackouts and water shortages. “Data centers are where environmental and social issues meet,” says Rosi Leonard, an environmentalist with @foeireland.bsky.social.
From Mexico to Ireland, Fury Mounts Over a Global A.I. Frenzy
www.nytimes.com
November 4, 2025 at 6:40 PM
Robots build houses.
Data centres hum day and night.
No humans in sight — just machines running 24/7.
Industry 4.0 isn’t coming.
It’s already here, reshaping work, energy, and the planet itself.
#AI #Automation #DataCenters #Industry40 #FutureOfWork
November 4, 2025 at 2:19 PM
199 data centres in Loudoun County power the backbone of our AI-driven world.
But locals face noise, higher energy bills, and disappearing nature.

#AI #DataCenters #Sustainability #Energy #FutureOfTech #Infrastructure

www-bbc-com.cdn.ampproject.org/c/s/www.bbc....
A humming annoyance or jobs boom? Life next to 199 data centres in Virginia - BBC News
Data centres were billed as a boon to Virginia’s economy. Now, residents are concerned about their impact on real estate and electricity costs.
www-bbc-com.cdn.ampproject.org
November 4, 2025 at 1:35 PM
Japan isn’t waiting for the future — it’s already there. 🇯🇵🤖
Smart checkout systems, AI payments, and automated retail experiences are everyday reality.
#AI #Automation #Japan #SmartRetail #Innovation #TechDisruption #FutureIsNow
November 4, 2025 at 1:02 PM
In 2023, Amazon added 750,000 robots to its workforce.
The shift toward AI-driven automation is accelerating fast — and we’re only at the beginning. 🤖
#AI #Robotics #Automation #Industry40 #FutureOfWork #TechInnovation #ArtificialIntelligence
November 4, 2025 at 9:47 AM
We’re living in the age of intelligent machines.
AI robotics + Industry 4.0 are transforming how we build, work, and live. 🤖🌍
This isn’t science fiction — it’s happening now.
#AI #Robotics #Industry40 #Automation #SmartManufacturing #FutureOfWork #Innovation #TechDisruption
November 4, 2025 at 9:39 AM
2025 distributors race at US #BoxOffice crossed 6.9B mark, just +3.1% ahead of 2024 & still -9.2% below strikes struck 2023 at same point, after facing worst OCT in 28 years (sans 2020)!
Distributors Top 5 YTD
#WB 1.85B
#Disney 1.66B
#Universal 1.07M
#Sony 527M
#Paramount 446.5M
November 3, 2025 at 11:03 AM
Stranger Things 5 trailer demonstrates exceptional narrative craftsmanship
The production team selected Queen's "Who Wants to Live Forever". Originally composed by Brian May for Highlander (1986).

#StrangerThings5 #ContentStrategy #DataDrivenNarrative #Netflix #MusicInMedia #PopCulture #AI
November 3, 2025 at 6:21 AM
Still one of the greatest games ever made. 🟡✨
Chasing ghosts, eating dots, pure arcade magic — Pac-Man never gets old. 👾💛
#PacMan #RetroGaming #ArcadeClassic #GamingLegend #Nostalgia #Namco #GameOn
October 31, 2025 at 5:04 PM
E-waste is a $91B global problem. ♻️
New #AI tech scans recycling lines for hidden #batteries, ejecting them with air jets to prevent fires and recover vital minerals.
#Sustainability #CircularEconomy #TechForGood #Innovation #Recycling
October 28, 2025 at 8:38 PM
📊 China's EV Market Dominance by the numbers:

• 90% control of global EV supply chain
• BYD outselling Tesla in multiple markets
• Chinese EV makers forcing legacy automakers into bankruptcy

#EVData #ChinaEV #BYD #SupplyChain #MarketDisruption #Tesla #ElectricVehicles #AutomotiveData
October 28, 2025 at 9:11 AM
🚦🇫🇮 Helsinki has achieved a remarkable milestone: zero traffic deaths in 2023! 🛑
Through innovative urban design, prioritizing pedestrians and cyclists, and implementing intelligent infrastructure, Finland's capital is leading the way in road safety

#SmartCity #UrbanInnovation #RoadSafety #Helsinki
October 27, 2025 at 10:33 AM
Reposted by Xavier Mareca
‘IT: Welcome to Derry’ premieres tonight on HBO Max 🎈

6PM PT
October 26, 2025 at 6:31 PM
Robotic, AI-driven gas pumps are now being tested at select gas stations in China. The automated system handles the entire refueling process without human assistance.

While this isn't standard yet, it could signal where the industry.

#Technology #Automation #AI #China #FutureTech #Robotics
October 26, 2025 at 3:38 PM
Reposted by Xavier Mareca
Exoplanet Gliese 251c: Neuer Kandidat für die Suche nach außerirdischem Leben: In unserer kosmischen Nachbarschaft haben Astronomen eine »Super-Erde« aufgespürt. Mit neuen Teleskopen wollen sie auf dem Planeten Gliese 251c nach Spuren von Leben suchen.
Exoplanet Gliese 251c: Neuer Kandidat für die Suche nach außerirdischem Leben
In unserer kosmischen Nachbarschaft haben Astronomen eine »Super-Erde« aufgespürt. Mit neuen Teleskopen wollen sie auf dem Planeten Gliese 251c nach Spuren von Leben suchen.
www.spiegel.de
October 24, 2025 at 8:58 AM
Google partners with Energy Dome to deploy innovative CO2 Battery technology for data centers.

m.youtube.com/watch?v=C6D4...

#CleanEnergy #AI #DataCenters #RenewableEnergy #EnergyStorage #ClimateAction #Google #GreenTech #Sustainability #Innovation
Google’s Nuclear Energy Strategy For Data Centers
YouTube video by GreyhoundTV
m.youtube.com
October 24, 2025 at 10:21 AM