Air holes turn silicon wafers into flat UV focusing mirrors for compact optics
5 comments
- Points12
- Comments2
#23Rank now 1
#23Peak rank
1Days on list
27Score · 7d
Nov 9, 2026First seen
Rank · 7 days
On Hacker News
- Points
- 12
- Comments
- 2
- Submitted by
- bookofjoe
- Posted
- Nov 7, 2026
- Site
- phys.org
Story details from Hacker News ↗ · linked article on phys.org.
Trending history
Air holes turn silicon wafers into flat UV focusing mirrors for compact optics was first seen on Hacker News · Front page on Nov 9, 2026. Since then it has appeared in 18 checks on 1 different day. Its best position was #23 of 30, reached on Nov 9, 04:39 UTC. It is #23 right now, climbing from #24 to #23 over the last 6 checks.
Rank history
Position on Hacker News · Front page at every check (lower is better).
Last 14 days
Best rank per day (UTC).
23
Oct 27today
Metric history
points as reported by Hacker News.
From the discussion
A few top-level comments from Hacker News, shortened. Read the full thread on Hacker News.
UV Mie-void reflective metasurfaces in silicon (2026) https://doi.org/10.1117/1.AP.9.1.016002
https://unwall.app/phys.org/news/2026-11-air-holes-silicon-w...
Featured in
Archived daily, weekly and monthly lists that include this entry.
Hacker News 1 day, best #23
Questions
Is Air holes turn silicon wafers into flat UV focusing mirrors for compact optics trending on Hacker News right now?
Yes. As of Nov 9, 05:24 UTC it is #23, climbing from #24 to #23 over the last 6 checks.
What is the highest rank Air holes turn silicon wafers into flat UV focusing mirrors for compact optics reached?
#23 on Hacker News · Front page, on Nov 9, 04:39 UTC. Trendoday checks this list every 15 minutes.
How long has Air holes turn silicon wafers into flat UV focusing mirrors for compact optics been trending?
It was first seen on Nov 9, 2026 and has been on the list on 1 day (18 checks) since.
How much discussion did it get on Hacker News?
12 points and 2 comments; submitted by bookofjoe on Nov 7, 2026.