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First tests show: the circuit is doing its job. With 300 watts of thermal power, it cools an artificial CPU to -20 degrees Celsius. Cooling expert Bernhard Vetsch converts cooling to the real CPU – and starts the PC for the first time. See that and more in the video.

Missed an episode? No problem! Below you’ll find all the articles that have been published so far.

The freezer PC: «We want to cool the CPU to a constant 20 degrees Celsius»

The freezer PC: how the refrigeration circuit is built

The freezer PC: sniffing out leaks

Bernhard Vetsch of ThermodynamX is building a refrigeration system into a PC. With freezer cooling, he wants to constantly cool the Threadripper 3970X processor beast to 20 degrees Celsius. Today he started up the modified PC for the first time.

The freezer PC: our refrigeration circuit is alive!

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Batteries and rechargeable batteries were the top-selling products on Galaxus and Digitec in 2024, marking a three-year streak at the top of the sales charts. While consumer staples such as nappies and cleaning products climbed their way up the top ten, Lego sets also emerged as one of the year’s winners. Other consumer trends can be observed further down the ranks.

Batteries hold on to top spot in our 2024 bestseller rankings

Digitec Galaxus customers type over 190 million queries into the search bar on our website every year. Most searches are carried out on Mondays and Sundays. While some search terms, such as «iPhone» and «Lego», are permanent fixtures in the top ten, other searches end up generating zero results.

From Lego to iPhones, here’s what our customers search for most

Galaxus is heating its logistics centre in Wohlen with the largest reversible CO₂ heat pump in Europe for the first time this winter. With this innovation, the online retailer is reducing its site’s CO₂ emissions by almost 90 per cent while also improving the indoor climate for its employees.

Galaxus reduces CO₂ emissions at Wohlen logistics centre by 87 per cent

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The freezer PC: our refrigeration circuit is alive!

The freezer PC: «We want to cool the CPU to a constant 20 degrees Celsius»

The freezer PC: how the refrigeration circuit is built

The freezer PC: sniffing out leaks

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