How Peloton, Apple, and Spotify Engineer Their Workout Playlists (And Why Most of Them Get It Wrong)
Only one major fitness platform actually uses exercise science to programme its music. The rest rely on instructor taste, intuition, or nothing at all.
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Anthropic, the Pentagon, and the Question Nobody Wants to Answer
Anthropic was blacklisted for refusing to remove two safety restrictions from its military AI contract. The implications extend far beyond one company.
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AI's Second Moment: The Explosion That Changed Everything
In 25 days between November and December 2025, four frontier AI models launched and crossed a threshold that turned software engineering inside out.
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What Apple's AI Health Coach Gets Right, and What It Will Probably Get Wrong
Apple's Health+ project identified the right problem but reportedly scaled back. What AI fitness coaching actually needs to work, from someone building it.
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The Science of Workout Music: Why Tempo Matters More Than Genre
25 years of research shows that tempo, not genre, is the primary driver of music's ergogenic effect during exercise. The optimal range is 125-140 BPM.
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Which Fitness Wearable Actually Improves Your Training?
A clinical look at what Garmin, Apple Watch, and Whoop actually measure, how accurate those measurements are, and which device changes training behaviour.
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The Fitter You Get, the More Your Brain Benefits from Each Workout
A UCL study shows that as aerobic fitness improves, the brain's neurochemical response to each workout becomes progressively more powerful.
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