The James Webb telescope detects traces of gas on the planet K2-18b, you can now learn chess with Duolingo, Tesla's numbers are on the rise again, this is the recap of the week.
2025 started badly for Tesla, but two models are making their big comeback in March. While Duolingo now lets you learn to play chess, Microsoft is allowing several PCs, previously blocked, to install Windows 11 24H2. This week, we explain why polite phrases should be avoided on ChatGPT and we tell you all about the first sign of life detected on another planet,
Tesla hasn't said its last word
The start of 2025 was difficult for Tesla, with a sharp drop in sales in Europe. The manufacturer seems to have bounced back thanks to two models that rose to the top of sales in March. Indeed, the Model Y and the Model 3 are the two best-selling vehicles of the month. Despite this spectacular comeback, the brand has been losing steam for the past year. Elon Musk's controversial image and competition in the electric market are making the brand increasingly fragile.
Read: Everyone was burying Tesla in Europe, but these two models have just turned everything upside down
A new course joins Duolingo
Duolingo is certainly the most comprehensive language learning app to date. In addition to the many languages taught, you can also learn High Valyrian from Game of Thrones or Klington from Star Trek. As a major new development, starting April 22, 2025, Duolingo users will also be able to learn how to play chess. Indeed, the app will offer lessons in the modern Western version of the game. For now, the lessons will only be available in English and on Duolingo's iOS app.
Read: You'll Never Guess the New "Language" Duolingo Is Offering You to Learn
Windows 11 24H2: several PCs can now install the update
Several PCs were still stuck and unable to install Microsoft 11 24H2 because certain third-party programs were incompatible with the update. These included drivers used by SenseShield or Dirac Audio technologies. Some video games were also blocking the installation. The good news is that Microsoft is currently working on rolling out several fixes to unblock the update installation. Go to your settings, then to Windows Update, to see if the update is available.
Read: These PCs can finally install Windows 11 24H2, Microsoft lifts its block
Being polite with ChatGPT might not be such a good idea…
If you use ChatGPT or another If you've used a chatbot and have taken to saying "hello," "please," or "thank you," be aware that politeness comes at a cost. OpenAI CEO Sam Altman has explained that polite phrases added to your queries cost tens of millions of dollars in electricity. Choosing precise and fast queries could therefore reduce energy consumption and costs for businesses. A recent study revealed that 12% of chatbot users were polite to protect themselves in the event of an AI takeover.
Read: Why you need to stop saying "thank you" and "please" to ChatGPT
Hope of finding life elsewhere is reborn...
While scientists have been trying to find out if life exists on other planets for several decades, researchers at the University of Cambridge appear to have made a historic discovery. Indeed, the James Webb telescope has made it possible to detect molecules linked to terrestrial life in the atmosphere of the exoplanet K2-18b, located 124 light years from Earth. Scientists will continue their observations and should be able to validate or not this discovery within one or two years.
Read: The first sign of life has just been detected on another planet, it's a historic moment for humanity
Our tests of the week
Huawei FreeArc: perfect for sports in outdoor
If you're looking for headphones for outdoor sports, the FreeArc might appeal to you thanks to their excellent fit, comfort, and water resistance. Unfortunately, beyond these advantages, Huawei's headphones have a lot of room for improvement. Indeed, the isolation is non-existent, the sound isn't very good, the battery life is very average, and the software is a bit light. Some of these flaws could have been forgiven if the price had been more reasonable.
Read: Huawei FreeArc review: headphones with a stunning design, but are they convincing?
Geforce RTX 5060 Ti: the best value for money on the market
NVIDIA hits hard with the impressive Geforce RTX 5060 Ti, the best value for money currently available on the market. Raster performance is excellent, as is ray tracing performance. Power consumption and heating are under control, and we appreciate that path tracing is accessible under DLSS. However, we regret that the raster performances are sometimes too close to the 7700 XT, and we encourage you to favor the 16 GB version.
Read: Geforce RTX 5060 Ti test: the graphics card that combines performance and affordability is this one!
JBL Flip 7: compact and powerful
JBL offers here a compact, powerful portable speaker that will seduce you thanks to its distortion-free acoustics at high volume thanks to artificial intelligence, and the amplitude of its bass. The streaming on several JBL speakers is very appreciable, even if we regret that the Auracast system is limited to the brand's most recent models. The PlayTime function to increase battery life is welcome, but the battery gauge could be more precise. During our test, we were disappointed by the lack of a jack plug and charging cable.
Read: JBL Flip 7 test: the essential all-terrain speaker for getting into the mood all day long
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