Your daily briefing on what's happening in AI — from groundbreaking research to industry moves, curated from the world's most trusted sources. Here are the top stories for 2026-06-23.

AI Daily Digest — 2026-06-23: Hotter Than a Hot Tub: The 45°C Breakthrough to Cool AI’s Biggest

1. Nvidia says its AI data center design runs hotter to use a lot less water

Public pushback against data centers has emphasized their water and energy consumption, and now Nvidia is highlighting its claim that the Rubin generation reference design for a fully liquid-cooled data center has "eliminated massive amounts of power usage and pretty much all water usage." Still, it

Source: Nvidia says its AI data center design runs hotter to use a lot less water

2. Hotter Than a Hot Tub: The 45°C Breakthrough to Cool AI’s Biggest Machines

Hot tubs sit at about 38 to 40 degrees Celsius, warm enough that most people can only soak for about 15 minutes. NVIDIA’s newest AI servers can run their cooling liquid even hotter — up to 45 degrees Celsius, or 113 degrees Fahrenheit. That higher temperature limit is precisely what makes them more

Source: Hotter Than a Hot Tub: The 45°C Breakthrough to Cool AI’s Biggest Machines

3. Some Electricians Think Building Data Centers Is for Sellouts

Big Tech is throwing big money into data center buildouts. As national opposition to the facilities grows, some workers are beginning to question whether it’s worth it.

Source: Some Electricians Think Building Data Centers Is for Sellouts

4. Eco Wave Power Turns Waves Into Watts With NVIDIA AI Infrastructure and Digital Twins

The next era of AI will not be defined by compute alone. Its growth will be determined by energy. As accelerated computing scales across AI factories, agentic AI, industrial AI, edge computing and physical AI — including robotics and autonomous systems — global electricity demand is rising at unprec

Source: Eco Wave Power Turns Waves Into Watts With NVIDIA AI Infrastructure and Digital Twins

5. From Materials Simulation to Experimental Astronomy, New NVIDIA AI Software Unlocks Scientific Discoveries

At the ISC conference running in Hamburg this week, NVIDIA is introducing new software that speeds AI for science, from chemistry and materials discovery to the search for dark matter. The NVIDIA DAQIRI library and new NVIDIA ALCHEMI NIM microservices — as well as the NVIDIA cuPhoton reference code,

Source: From Materials Simulation to Experimental Astronomy, New NVIDIA AI Software Unlocks Scientific Discoveries

6. These 2 stocks could be big winners from the next generation of AI chips

The Investing Club holds its "Morning Meeting" every weekday at 10:20 a.m. ET.

Source: These 2 stocks could be big winners from the next generation of AI chips

7. OpenAI Launches Full-Scale Effort to Patch Open-Source Bugs as It Takes on Anthropic’s Mythos

Amid concerns about AI models’ cybersecurity capabilities, OpenAI revealed an improved version of GPT-5.5-Cyber and its “Patch the Planet” initiative to fix open-source software bugs.

Source: OpenAI Launches Full-Scale Effort to Patch Open-Source Bugs as It Takes on Anthropic’s Mythos

8. Three things to watch amid Anthropic’s latest feud with the government

This story originally appeared in The Algorithm, our weekly newsletter on AI. To get stories like this in your inbox first, sign up here. For those of you enjoying your summer unaware of Anthropic’s latest feud with the US government, here’s a recap: In April the company said it had built an AI mode

Source: Three things to watch amid Anthropic’s latest feud with the government

9. Nvidia wants to cut data center water use, but that’s not the same as fixing AI’s water problem

Nvidia announced a new cooling system that cuts water use inside the data center. But it does nothing to address AI's biggest water use — fossil fuel power plants.

Source: Nvidia wants to cut data center water use, but that’s not the same as fixing AI’s water problem

10. Meta Exposed Data Internally From Its Controversial Employee-Tracking Program

Employees had previously raised concerns about the initiative, which involves collecting workers’ keystroke data to train AI models.

Source: Meta Exposed Data Internally From Its Controversial Employee-Tracking Program


💬 What Do You Think?

Which of today's stories matters most for developers? Are any of these trends overhyped? Drop a comment below — I read and reply to every discussion.


📡 Today's sources: blogs.nvidia.com, cnbc.com, techcrunch.com, technologyreview.com, theverge.com, wired.com

AI Daily Digest is compiled daily from first-party AI company blogs, major news agencies, and technology press. Edited and curated by a human. Last updated: 2026-06-23.