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The Chemical Brothers’ stage lit in red at Rock en Seine on 26 August 2023. Archive photograph.Music · Oct 27, 2026Rock en Seine 2027: construction work disrupts the festival’s scheduleFor Rock en Seine, preparing the 2027 edition first means resolving an access issue. Construction work around the Saint-Cloud national estate is complicating the usual late-August dates.An Android TV box and its remote control. Illustrative photograph.AI · Oct 27, 2026Can AI replicate itself on connected devices? Anthropic’s test explainedA model distributed across fifteen Android TV boxes, followed by a deployment orchestrated across eight cloud machines: the experiments published by Anthropic on 12 October 2026 explore a concrete cybersecurity question.Earth’s horizon and clouds photographed in black and white from a V-2 rocket on 24 October 1946.Space · Oct 26, 2026The first photograph of Earth from space: what the 1946 flight showedA camera aboard a V-2 photographed Earth on 24 October 1946, from an altitude of about 105 kilometres. A suborbital flight, long before images of the entire globe.Lenticular clouds above snow-covered Mount Rainier in Washington State.AI · Oct 26, 2026Weather and AI: what Dubai and forecasts several weeks ahead revealTwo studies from October 2026 shed light on progress in AI forecasting. Their findings relate to specific models, lead times and tests.Artist’s impression of WASP-17 b: a cloudy globe partially illuminated in space.Space · Oct 26, 2026WASP-17 b: Webb reconstructs a more extended atmosphere on the evening sideA transit-mapping method distinguishes several regions along the edge of the atmosphere. It refines measurements without providing a photograph or a complete weather report for this gas giant.Saqqap Glacier and the edge of the Greenland ice sheet, Landsat image from 21 August 2025.Climate · Oct 26, 2026Greenland: what the 2,347 km³ of ice lost between 2010 and 2023 measuresAn analysis combining CryoSat and ICESat-2 describes the thinning of the ice sheet. It is also valuable for comparing two measurement methods.A forest path near Echternach, photographed in May 2019.Society · Oct 26, 2026After a storm: precautions to take in Luxembourg’s forestsCalmer weather does not necessarily make a path safe. Weakened trees, hanging branches, closures: useful guidance before heading out.Lenticular clouds in smooth layers above snow-covered Mount Rainier, Washington State, in 2011.Basic science · Oct 26, 2026Lenticular clouds: why do they seem to stand still in the wind?Their lens-shaped form sometimes stays in place while air flows through them. Condensation, terrain and mountain waves explain this apparent paradox.Battery storage installation in Theiss, Austria, archive 2024Innovation · Oct 21, 2026Batteries: how long on the grid?New battery storage capacity deployed rose by 40% in 2025, according to the IEA. Power, duration and use help explain these installations.Hardware security keys beside a keyring, 2023 illustrationTechnology · Oct 20, 2026Passkeys: preparing for your next phonePasskeys can be synchronised or tied to a device. Before changing phones, it is worth checking how they are stored and recovered.Spherical metal model of the DAVINCI probe inside a test facility.Space · Oct 1, 2026DAVINCI: why NASA is preparing a probe for Venus’s 465°C heatA DAVINCI capsule has withstood 465°C six times in ground tests. NASA wants to understand how Venus evolved and whether it once had liquid water.Golden clouds, stars and bluish jets in the star-forming region IC 348, observed in infrared by James Webb.Space · Sep 30, 2026James Webb: what IC 348 reveals about the birth of the smallest starsIn IC 348, James Webb has revealed brown dwarfs with masses of two Jupiters and newborn stars. Discover this infrared image, the HH 797 jets and the questions surrounding star formation.