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ϟ HEADLINESThreatened palms: why our gardens don’t tell their whole storyA Luxembourg magazine Nov 4, 2026

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Three people discuss in front of a mathematical blackboard, illustrative photograph.

AI · Nov 1, 2026OpenAI and Yang–Mills: understanding the announcement without confusing the evidenceOpenAI claims to have proved existence in quantum physics. The Yang–Mills problem also requires a mass gap: here are the key distinctions for understanding the announcement.

Hands on the keyboard of a MacBook Pro, illustrative photograph.

AI · Nov 1, 2026ChatGPT and iCloud: what connecting your emails really changesMail and Calendar are arriving separately in ChatGPT. Beyond searches and drafts, it is important to distinguish account access, permission to take action and data retention.

An aisle between server racks in a data centre.

AI · Nov 1, 2026OpenAI and Google’s TPUs: diversification is also a software challengeThe press has reported a plan to buy Google chips. An OpenAI job listing, meanwhile, reveals a very concrete project: adapting its models to another computing architecture.

A man takes notes in a notebook in front of a laptop, illustrative photograph.

AI · Nov 1, 2026ChatGPT at work in France: what requests to rewrite revealText revision tops the professional requests from France measured by OpenAI. A snapshot of usage that should be read in context: it measures neither the number of employees using the tool nor their productivity.

Hands adjust a microphone on a table, in front of a phone.

Technology · Nov 1, 2026Gemini Notebook records audio: what it keeps, and what you need to checkThe new mobile recorder turns speech into a working source. But a transcript is not an audio archive: what you need to know before a lecture or meeting.

Hands on a laptop keyboard, with documents and books on the desk.

AI · Nov 1, 2026Proton and AI at work: what cancelling interviews changesAccording to 404 Media, Proton cancelled interviews intended to assess its employees’ use of AI. One fundamental question remains: how do you measure better work?

Aisle between server racks in a data centre, illustrative photograph.

Start-ups · Nov 1, 2026Luxor bets on AI: what Bitcoin mining can bring to the tableThe company has announced a $16 million financing round to expand its computing services. Its claimed advantage lies in equipment, energy and contracts—not in magically turning mining machines into something else.

Blackboard covered in scientific formulae in chalk; illustrative photograph.

AI · Nov 1, 2026AI and scientific evidence: what Lean checks, and what still needs examiningOpenAI’s announcements have revived the question of evidence produced by AI. The logical core, assumptions and results of AlphaProof: key points for assessing them.

Old view of Luxembourg fortress before the dismantling ordered in 1867.

Culture · Nov 1, 2026Luxembourg: the lives behind the ramparts, beyond the fortress legendsExecutioners, archives and legends: the LCTO tour offers a different perspective on the fortress. Historical context and information for the 6 November session.

Steve Jefferts and Tom Heavner beside the NIST-F2 atomic clock in the United States, in 2014.

Basic science · Nov 1, 2026Atomic clocks: why our time depends on a networkThe alert over the clocks at the Paris Observatory highlights an essential infrastructure. The atomic second, world time and GPS: three concepts to distinguish.

Water jet from the degassing system at Lake Nyos, between rocky shores, with a floating platform.

Basic science · Nov 1, 2026Lake Nyos: how dissolved CO₂ caused the 1986 disasterIn Cameroon, Lake Nyos released a deadly cloud of CO₂ in August 1986. Understanding how the gas was stored at depth also explains how degassing systems work.

Shelving and reading tables in the Nuova Manica Lunga library at the Giorgio Cini Foundation in Venice, in July 2021

Music · Nov 1, 2026Antonio Fanna: how sheet music helped rediscover VivaldiAntonio Fanna, who died aged 100, helped put Vivaldi’s works back on music stands. Catalogues, scores and critical editions shed light on this collective endeavour, which is still ongoing.