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The refrigeration circuitry takes two days to assemble. On the second day, it’s finalised and checked for leaks. When it’s all over, Bernard Vetsch tells me how the system works within the PC. You’ll see all of this in the video. For English subtitles, click the gear icon, «Subtitles CC» and «Auto translate».

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

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, I’m keeping him company as he sets up the refrigeration circuitry.

The freezer PC: sniffing out leaks

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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: sniffing out leaks

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

The freezer PC: how the refrigeration circuit is built

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