Energy
Tin flow battery: new electrolyte unlocks its full capacity
Tin flow battery: Chinese researchers get tin working at 100% thanks to a tweaked electrolyte. Efficiency, limits, and why it matters for the power grid.
Section
Energy
Fusion, batteries, solar, nuclear, power grids and the energy appetite of data centers, explained without jargon.
Energy
France's off-peak electricity hours change on December 1
Off-peak hours in France: from December 1, 2026, some cheap night slots move to the daytime. Who's affected, why it's happening, and how to adjust your habits.
Energy
Underwater volcano electricity: 8.7 seconds of net power
Underwater volcano power: 1,500 m under the Pacific, a prototype made more electricity than it used. What's proven, and what's still left to do.
Energy
xAI gas turbine pollution lawsuit near Memphis heads to trial
xAI gas turbines: the NAACP's pollution lawsuit near Memphis will go ahead. What Grok's data center is accused of, and why AI companies burn gas.
Energy
Power grid mystery solved: why Europe dips every 60 seconds
Power grid mystery solved: Europe's grid frequency dips every 60 seconds. The culprit? Big batteries all checking their charge on the same clock.
Energy
Sodium-metal battery: a nonflammable electrolyte in the lab
Sodium-metal battery research: a South Korean team developed a nonflammable electrolyte. What's proven, what's missing, and when it could actually arrive.
Energy
Sparxity: brain-inspired chips that only compute what matters
Sparxity, a German startup, is installing chips at Jülich that only compute when data changes. Its claim: up to 18 times less energy for some AI tasks.