europe research air condioning

Europe is testing air conditioners that don't use any refrigerants at all

Solid-state cooling startups test semiconductor, magnetic, and pressure-based heat pumps across Europe
The big picture: A new generation of cooling technology is beginning to move from lab testing into early real-world trials, as researchers and startups look for ways to cool buildings without relying on traditional refrigerants. The push comes as demand for air conditioning accelerates in Europe, where rising temperatures are exposing the limits of both existing systems and the buildings they are meant to cool.
whatsapp messaging meta

WhatsApp desktop turns your PC into a full messaging hub

WhatsApp's desktop app turns your Windows or Mac into a full messaging hub. You can link up to four devices at once, make voice and video calls straight from your webcam, and type on a real keyboard instead of a phone screen. Your phone only needs to reconnect once every 14 days, so it's an easy way to stay on top of conversations while you actually get work done.
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