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Best Tech Talks 2025, Ranked by Hacker News

First recommended on Hacker News in 2025, still worth watching: these 9 talks and lectures earned 44 recommendations across the years.

Evergreen only×
8 mo on HN

Deep Dive into LLMs like ChatGPT

Andrej Karpathy
10 HN recommender · 2025–2026
8 mo on HN

Casey Muratori – The Big OOPs: Anatomy of a Thirty-five-year Mistake – BSC 2025

Better Software Conference
11 HN recommender · 2025–2026
6 mo on HN

Veritasium: What Everyone Gets Wrong About AI and Learning – Derek Muller Explains

Perimeter Institute for Theoretical Physics
6 HN recommender · 2025–2026
5 mo on HN

38C3 - From Silicon to Sovereignty: How Advanced Chips are Redefining Global Dominance

media.ccc.de
5 HN recommender · 2025–2026
4 mo on HN

C++ Exceptions for Smaller Firmware - Khalil Estell - CppCon 2024

CppCon
5 HN recommender · 2025–2026
2 mo on HN

Dennis Gustafsson – Parallelizing the physics solver – BSC 2025

Better Software Conference
2 HN recommender · 2025–2026
1 mo on HN

Are we stuck with the same Desktop UX forever? | Ubuntu Summit 25.10

Canonical Ubuntu
3 HN recommender · 2025–2026
1 mo on HN

The past, present, and future of local-first - Martin Kleppmann (Local-First Conf)

Local-First Conf
1 HN recommend · 2025–2025
1 mo on HN

Scott Aaronson | How Much Math Is Knowable?

Harvard CMSA
1 HN recommend · 2025–2025