Online teacher and tutor. I write hardware analysis and other pieces about the education and robotics sectors.
Javier Penalva
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At Xataka On since
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- Saudi Arabia Wants to Be a Data Center Powerhouse. But Can It Deliver?
- Florida Could See a Record Amount of Stinky, Slimy Seaweed on Its Beaches This Year
- 900 People Are Driving a Virtual Car on Google Street View at the Same Time
- The U.S. Has a Plan to Counter China’s Dominance in Rare Earth Elements. The Curious Thing Is Where It Will Be Implemented: In a Toxic Pit of Contaminated Water
- Ukraine Captured Russia’s New Cruise Missile. The Surprise Inside? It Was Made by Its ‘Allies’
- Losing Weight Without Losing Muscle Is a Challenge for Drugs Like Ozempic. The Solution May Lie in a Protein
- The Webb and Hubble Telescopes Observed Jupiter’s Auroras at the Same Time. The Problem: They Saw Different Things
- Grok Thinks Trump’s Story About His ‘Seriously Overweight’ Friend That Takes the ‘Fat Shot Drug’ Is Elon Musk
- Google Is Fed Up With Phone and Text Scams. New Android Features Aim to Stop Them for Good
- Android Introduces One of the Biggest Redesigns in Its History. This Is Android 16’s Material 3 Expressive
- Gemini Debuted on Android Phones. It’s Now Ready to Conquer Your TV, Smartwatch, and Car
- Going for Dip in Lakes and Creeks Sounds Harmless, but Be Careful: You Could Be Swimming in Poop
- Trump’s Trade War Could Have an Unexpected Victim: Burgers
- I’m One of the Few Who Still Use a Magic Mouse Solely for a Feature That Others Don’t Have. Now Apple Wants to Bring It to Its Keyboards
- Samsung Galaxy S25 Edge: The Thinnest Galaxy Phone Ever Is Here With a Battery Life That May Let You Down
- An iPad at the Bottom of the Thames Helped Solve a Crime Worthy of Black Mirror
- Companies Are Eyeing America’s $1.5 Trillion Lithium Deposit, Potentially the Largest on Earth
- Trump Offers New Tariff Truce. Temu, Shein, and Big Tech Are the Clear Winners
- Ukraine Has a New Tactic to Protect Its Tanks and Artillery From Russian Drones: Hiding Them Underground
- Bitcoin Miners Are Purchasing Old Power Plants. New Yorkers Aren’t Happy