Blog for Engineering Managers

Blog for Engineering Managers

#25 | Sunday reads for EMs

My favourite reads of the week to make your Sunday a little more inspiring.

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Stephane Moreau
Dec 07, 2025
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👋 Hey, it’s Stephane. This is a new series in which every Sunday I share with you my favourite reads of the week. To accelerate your growth see: 50 Notion Templates | The EM’s Field Guide | CodeCrafters | Get Hired as an EM | 1:1 Coaching

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The Math of Why You Can’t Focus at Work (Can Duruk)

tl;dr: Your productivity is determined by three parameters: λ (interruptions/hour), Δ (recovery time), and θ (minimum focus block needed for meaningful work). At λ=2 and Δ=20min, you might only get one 60+ minute focus block in an 8-hour day. Most “productivity problems” are actually environment design problems.

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