The best 4K TV deals during Prime Day 2025

It’s tough to beat a 55-inch OLED TV selling for $800. | Image: Panasonic Let me try to read your mind. You’re thinking of getting a new TV, yes, a 4K model with some sort of smart TV operating system that can provide instant access to your favorite streaming apps. Well then. With Prime Day…

Read More

The Bezos-funded climate satellite is lost in space

MethaneSat was built to track methane pollution around the world. A satellite tracking global methane pollution has gone dark, imperiling  a mission that garnered enormous support from Jeff Bezos and other big names in tech. Methane is the primary ingredient of so-called “natural gas” that is even more potent than carbon dioxide when it comes…

Read More

Perplexity just launched an AI web browser

Comet’s AI assistant can answer questions about what’s on your screen. | Image: Perplexity Perplexity, the startup behind the AI “answer” engine, has just launched its own web browser. The browser, called Comet, incorporates Perplexity’s AI search tools and assistant in a way that CEO Aravind Srinivas says “transforms entire browsing sessions into single, seamless…

Read More

OpenAI’s open language model is imminent

Microsoft’s complicated relationship with OpenAI is about to take an interesting turn. As the pair continue to renegotiate a contract to allow OpenAI to restructure into a for-profit company, OpenAI is preparing to release an open language AI model that could drive even more of a wedge between the two companies. Sources familiar with OpenAI’s…

Read More