April 2025

Rivian starts a challenging year with a big slip in deliveries

April 2, 2025
Rivian delivered just 8,640 vehicles in the first three months of 2024, the company’s worst quarterly mark since the end of 2022. But the company says the slow start won’t impact its overall guidance for the year — it still expects to deliver between 46,000 and 51,000 EVs by the end of 2025. The company […]

The Download: how to make better cooling systems, and farming on Mars

April 2, 2025
This is today’s edition of The Download, our weekday newsletter that provides a daily dose of what’s going on in the world of technology. How 3D printing could make better cooling systems A new 3D-printed design could make an integral part of cooling systems like air conditioners or refrigerators smaller and more efficient, according to new research.…

How 3D printing could make better cooling systems

April 2, 2025
A new 3D-printed design could make an integral part of cooling systems like air conditioners or refrigerators smaller and more efficient, according to new research.   Heat exchangers are devices that whisk away heat, and they’re everywhere—used in data centers, ships, factories, and buildings. The aim is to pass as much heat as possible from one…

Researchers suggest OpenAI trained AI models on paywalled O’Reilly books

April 1, 2025
OpenAI has been accused by many parties of training its AI on copyrighted content sans permission. Now a new paper by an AI watchdog organization makes the serious accusation that the company increasingly relied on non-public books it didn’t license to train more sophisticated AI models. AI models are essentially complex prediction engines. Trained on […]