Elena Kirchner

Hardware analyst and product reviewer with an electrical engineering background. Elena turns benchmarks, thermals, battery tests, and price history into practical purchase recommendations.

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A gold chisel rests on a cream slab beside a blue capsule, with a gray block, copper spiral, and scattered fragments on a dark platform.

iQOO Neo11 Ultra, vivo Y31T, iPhone 18 Delay: Phone Leak Roundup

Fresh leaks reveal near-complete specs for the iQOO Neo11 Ultra and vivo Y31T, while Apple's iPhone 18 slips to 2027. Meanwhile, a RAM shortage is quietly reshaping back-to-school laptop shopping.

By Elena Kirchner | August 15, 2026

a transparent locked box containing a circuit board sits on a desk with a shield emblem, cables, and office items nearby

Why Prediction Isn’t Enough for Models: Causal Inference AI

Predictive models can be accurate and still dangerously wrong about cause and effect. This week's technical writing, from causal inference theory to OpenAI's decision to pause its Astra model, shows why that gap matters.

By Elena Kirchner | August 08, 2026

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