fouronnes3

3 Show HNs that got attention, 2025 to 2026. 745 points in all, 3 with 50 or more.

First
Torch Lens Maker (2025)
Best
interval-calculator (314 points)
fouronnes3 on HN

Learning and science

2026

interval-calculator

A calculator that works over disjoint sets of intervals

Loved314 points54 comments

Dev tools

2025

bidicalc

A spreadsheet where formulas also update backwards

Curious252 points116 comments

Languages and libraries

2025

Torch Lens Maker

Differentiable Geometric Optics in PyTorch

Curious179 points45 comments

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