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The Download: how to make better cooling systems, and farming on Mars

Apr 02, 2025 - technologyreview.com
The article discusses various current events and technological advancements. It highlights a new 3D-printed design for heat exchangers that could improve the efficiency of cooling systems, which is crucial as energy demand for cooling is expected to double by 2050. Additionally, it mentions the challenges faced by US health agencies due to layoffs, which could lead to preventable deaths and delays in weather forecasting. The article also touches on Donald Trump's discussions about TikTok's ownership, legal challenges faced by X regarding user data, and the potential impact of US tariffs on Mexico-based Chinese companies.

Furthermore, the article covers legislative efforts to regulate AI companions, the ongoing presence of Covid-19, and the trend of brands trying to influence AI recommendations. It also explores the fascination with nothingness, the idea of flirting with chatbots, and the viral trend of trading in Teslas on TikTok. The piece concludes with a quote from astronaut Butch Wilmore expressing willingness to fly on the Starliner again and a discussion on making pure math more relatable through popular books.

Key takeaways:

  • Tens of thousands of US health agency workers have been laid off, raising concerns about preventable deaths and delays in forecasting extreme weather.
  • A new 3D-printed design could improve the efficiency of cooling systems, which is crucial as energy demand for cooling is expected to double by 2050.
  • US lawmakers are considering regulating AI companions, allowing users to sue if they suffer harm from interactions with companion bots.
  • Brands are attempting to influence AI search results, with Reddit being targeted to appear in ChatGPT recommendations.
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