October 29, 2025

Exclusive eBook: We did the math on AI’s energy footprint.

In this exclusive subscirber-only ebook you’ll learn how the emissions from individual AI text, image, and video queries seem small—until you add up what the industry isn’t tracking and consider where it’s heading next. by James O’Donnell and Casey Crownhart May 20, 2025 Table of contents Related stories:

TopTechTrends

What a massive thermal battery means for energy storage

October 23, 2025
Rondo Energy just turned what it says is the world’s largest thermal battery, an energy storage system that can take in electricity and provide a consistent source of heat. The company announced last week that its first full-scale system is operational, with 100 megawatt-hours of capacity. The thermal battery is powered by an off-grid solar…

This startup is about to conduct the biggest real-world test of aluminum as a zero-carbon fuel

October 23, 2025
The crushed-up soda can disappears in a cloud of steam and—though it’s not visible—hydrogen gas. “I can just keep this reaction going by adding more water,” says Peter Godart, squirting some into the steaming beaker. “This is room-temperature water, and it’s immediately boiling. Doing this on your stove would be slower than this.”  Godart is…

OpenAI requested memorial attendee list in ChatGPT suicide lawsuit

October 22, 2025
The new information comes as the Raines family updated its lawsuit against OpenAI. The family first filed a wrongful death suit against OpenAI in August after alleging their son had taken his own life following conversations with the chatbot about his mental health and suicidal ideation.