Original post
Danielle Fong 🔆#317
Danielle Fong 🔆#317
The hardest problems are often the ones most worth solving. Very glad @sama and @ycombinator made moves here!
Paul Graham@paulg
Sam Altman deserves credit for YC's turn toward hard tech. When he became CEO in 2014 he went out and recruited companies doing stuff like airliners and fusion, and hard tech startups have been some of the best in every batch since.
2:57 PM · Jun 7, 2026 · 2.7K Views