Build a Radio Wave Detector With Balls of Aluminum Foil!

Here’s how you can hack together a radio transmitter and receiver out of stuff you have at home—and explore the weirdness of wireless. [...]

Claude’s next enterprise battle is not models: it’s the agent control plane

New VB Pulse data shows Microsoft and OpenAI leading enterprise agent orchestration, but Anthropic’s first measurable foothold points to a larger fight over who controls the infrastructure where AI [...]

Making cement from a different type of rock could clean up emissions

Limestone might not be the only source for Portland cement. [...]

Casimir force co-opted to generate free energy, midichlorians not included

The vacuum giveth, the vacuum taketh, but the vacuum doesn’t let you taketh. [...]

Preprint server arXiv will ban submitters of AI-generated hallucinations

One of the site's moderators described the new policy on social media. [...]

Solar power production undercut by coal pollution

Each year, some of the power solar could have produced is blocked by aerosols. [...]

How RecursiveMAS speeds up multi-agent inference by 2.4x and reduces token usage by 75%

One of the key challenges of current multi-agent AI systems is that they communicate by generating and sharing text sequences, which introduces latency, drives up token costs, and makes it difficult t [...]

Asteroid 2026 JH2 Is About to Fly Right Past Earth—Relatively Speaking

On May 18, an asteroid about the size of Chicago’s Cloud Gate will fly four times closer to Earth than the moon. [...]

Old Oil and Gas Wells Could Find Second Life Producing Clean Energy

States across the US are looking to take major sources of pollution and use them to generate much-needed power. [...]