Top 10 Hacker News — Top Stories — April 2, 2026

DRAM pricing is killing the hobbyist SBC market, a story that hit a nerve with 220 points and 152 comments, capturing the frustration of makers being priced out by memory manufacturers chasing high-margin data center chips.

Artemis II lifted off with four astronauts on a 10-day lunar mission—248 points and 143 comments placed it as the top non-tooling story, but its third-place rank shows Hacker News cares more about code than crewed rockets.

Signing data structures the wrong way—66 points, 37 comments—is a deep-dive warning about common cryptographic pitfalls, more of a reference than a controversy.

Show HN: Git bayesect introduces Bayesian bisection for non-deterministic bugs—179 points and 24 comments—a sharp solution for a maddening problem that most tools ignore.

Fast and Gorgeous Erosion Filter—34 points, 6 comments—is a niche but visually impressive graphics technique that didn't break out of the shader crowd.

AI for American-produced cement and concrete—126 points, 102 comments—swung into the perennial debate about AI’s role in heavy industry, far from the typical ML token-pushing stories.

Ask HN: Who is hiring? (April 2026)—185 points, 154 comments—remained the essential monthly pulse-check for job seekers in a cooling tech market.

The revenge of the data scientist—81 points, 15 comments—argued that data analysis, not model training, is again the real value proposition; a contrarian take that only got modest traction.

A new C++ back end for ocamlc—20 points, 1 comment—was the day’s most esoteric story, a pure compiler-engineering note that only the OCaml faithful cared about.

DRAM pricing is killing the hobbyist SBC market, a story that hit a nerve with 220 points and 152 comments, capturing the frustration of makers being priced out by memory manufacturers chasing high-margin data center chips.

Artemis II lifted off with four astronauts on a 10-day lunar mission—248 points and 143 comments placed it as the top non-tooling story, but its third-place rank shows Hacker News cares more about code than crewed rockets.

Signing data structures the wrong way—66 points, 37 comments—is a deep-dive warning about common cryptographic pitfalls, more of a reference than a controversy.

Show HN: Git bayesect introduces Bayesian bisection for non-deterministic bugs—179 points and 24 comments—a sharp solution for a maddening problem that most tools ignore.

Fast and Gorgeous Erosion Filter—34 points, 6 comments—is a niche but visually impressive graphics technique that didn't break out of the shader crowd.

AI for American-produced cement and concrete—126 points, 102 comments—swung into the perennial debate about AI’s role in heavy industry, far from the typical ML token-pushing stories.

Ask HN: Who is hiring? (April 2026)—185 points, 154 comments—remained the essential monthly pulse-check for job seekers in a cooling tech market.

The revenge of the data scientist—81 points, 15 comments—argued that data analysis, not model training, is again the real value proposition; a contrarian take that only got modest traction.

A new C++ back end for ocamlc—20 points, 1 comment—was the day’s most esoteric story, a pure compiler-engineering note that only the OCaml faithful cared about.