
Why It Was Almost Impossible to Make the Blue LED
Veritasium
TOPIC · HACKER NEWS VIDEO ARCHIVE
Materials science is a topic archive of videos linked in Hacker News comments. This snapshot contains 42 videos and 238 labeled comments across 2010–2026. That is an average of 5.7 linked comments per video. The summed 94 recommender entries are counted per video, so one HN user can appear in more than one topic video.
This page answers “what surfaced more recently?”: videos are sorted by their latest Hacker News mention year. For a different question—“which talks have the most distinct recommenders?”—use the topic's Best Talks list when at least 20 talks are available. This topic has 2 cataloged talks. Its average per-video recommender count is 2.2; neither this metric nor recency represents YouTube views or a quality rating.
Topic labels follow the published taxonomy and may overlap. Use the filters to narrow by format, learning level, catalog shelf life, or how many distinct months a video received recommendations. Open a video record to compare it with same-topic videos and inspect its underlying HN context.

Veritasium

Tech Ingredients

NightHawkInLight

Veritasium

Muon Ray

NightHawkInLight

Alexander Budde

Applied Science

Applied Science

IBM

SmarterEveryDay

IBM

The Qualcomm Institute

Christopher Roy

SmarterEveryDay

Huygens Optics

Practical Engineering

Applied Science

Real Engineering

NileRed

NileRed
![[593] Gallium vs. Titalium - Abus Padlock Meets a Gruesome End — LockPickingLawyer](https://i.ytimg.com/vi/jeghGhVdt9s/hq2.jpg)
LockPickingLawyer

Geopolymer Institute

Santa Cruz Bicycles

Veritasium

NOVA PBS Official

Veritasium

Practical Engineering

SmarterEveryDay

purgatoryironworks

Veritasium

SmarterEveryDay

Roscket Tasartir

Applied Science

Corning Incorporated

Association of Science and Technology Centers

Sidewinder77

Applied Science

The Thought Emporium

School of Convergence Science

NileRed

Corning Incorporated
Page 1 of 1 · 42 videos are tagged with this topic. Videos are ordered by latest Hacker News mention.