Trendoday

Locating the source of a mysterious beep

150 comments

  • Points244
  • Comments124
#8Rank now –
#7Peak rank
1Days on list
168Score · 7d
Nov 10, 2026First seen
Rank · 7 days

On Hacker News

Points
244
Comments
124
Submitted by
bigwheels
Posted
Nov 10, 2026
Site
simonwillison.net

Story details from Hacker News ↗ · linked article on simonwillison.net.

Trending history

Locating the source of a mysterious beep was first seen on Hacker News · Front page on Nov 10, 2026. Since then it has appeared in 62 checks on 1 different day. Its best position was #7 of 30, reached on Nov 10, 14:39 UTC. It is #8 right now, holding steady at #8 over the last 6 checks.

Rank history

Position on Hacker News · Front page at every check (lower is better).

#1#11#20#30 02:0905:5809:4613:3517:24 Nov 10, 02:09 UTC · #28Nov 10, 02:24 UTC · #27Nov 10, 02:39 UTC · #26Nov 10, 02:54 UTC · #25Nov 10, 03:09 UTC · #26Nov 10, 03:24 UTC · #26Nov 10, 03:39 UTC · #24Nov 10, 03:54 UTC · #23Nov 10, 04:09 UTC · #23Nov 10, 04:24 UTC · #23Nov 10, 04:39 UTC · #23Nov 10, 04:54 UTC · #23Nov 10, 05:09 UTC · #21Nov 10, 05:24 UTC · #19Nov 10, 05:39 UTC · #19Nov 10, 05:54 UTC · #18Nov 10, 06:09 UTC · #17Nov 10, 06:24 UTC · #17Nov 10, 06:39 UTC · #16Nov 10, 06:54 UTC · #16Nov 10, 07:09 UTC · #16Nov 10, 07:24 UTC · #16Nov 10, 07:39 UTC · #15Nov 10, 07:54 UTC · #15Nov 10, 08:09 UTC · #14Nov 10, 08:24 UTC · #12Nov 10, 08:39 UTC · #13Nov 10, 08:54 UTC · #12Nov 10, 09:09 UTC · #13Nov 10, 09:24 UTC · #12Nov 10, 09:39 UTC · #12Nov 10, 09:54 UTC · #12Nov 10, 10:09 UTC · #13Nov 10, 10:24 UTC · #13Nov 10, 10:39 UTC · #13Nov 10, 10:54 UTC · #12Nov 10, 11:09 UTC · #12Nov 10, 11:24 UTC · #11Nov 10, 11:39 UTC · #11Nov 10, 11:54 UTC · #11Nov 10, 12:09 UTC · #11Nov 10, 12:24 UTC · #11Nov 10, 12:39 UTC · #11Nov 10, 12:54 UTC · #11Nov 10, 13:09 UTC · #11Nov 10, 13:24 UTC · #9Nov 10, 13:39 UTC · #9Nov 10, 13:54 UTC · #9Nov 10, 14:09 UTC · #9Nov 10, 14:24 UTC · #9Nov 10, 14:39 UTC · #7Nov 10, 14:54 UTC · #8Nov 10, 15:09 UTC · #8Nov 10, 15:24 UTC · #9Nov 10, 15:39 UTC · #9Nov 10, 15:54 UTC · #8Nov 10, 16:09 UTC · #8Nov 10, 16:24 UTC · #8Nov 10, 16:39 UTC · #8Nov 10, 16:54 UTC · #8Nov 10, 17:09 UTC · #8Nov 10, 17:24 UTC · #8

Last 14 days

Best rank per day (UTC).

Oct 28today

Metric history

points as reported by Hacker News.

097193293 02:0905:5809:4613:3517:24 Nov 10, 02:09 UTC · 5Nov 10, 02:24 UTC · 9Nov 10, 02:39 UTC · 16Nov 10, 02:54 UTC · 27Nov 10, 03:09 UTC · 30Nov 10, 03:24 UTC · 31Nov 10, 03:39 UTC · 37Nov 10, 03:54 UTC · 40Nov 10, 04:09 UTC · 44Nov 10, 04:24 UTC · 50Nov 10, 04:39 UTC · 54Nov 10, 04:54 UTC · 57Nov 10, 05:09 UTC · 69Nov 10, 05:24 UTC · 77Nov 10, 05:39 UTC · 81Nov 10, 05:54 UTC · 82Nov 10, 06:09 UTC · 90Nov 10, 06:24 UTC · 97Nov 10, 06:39 UTC · 103Nov 10, 06:54 UTC · 109Nov 10, 07:09 UTC · 116Nov 10, 07:24 UTC · 120Nov 10, 07:39 UTC · 127Nov 10, 07:54 UTC · 133Nov 10, 08:09 UTC · 143Nov 10, 08:24 UTC · 150Nov 10, 08:39 UTC · 155Nov 10, 08:54 UTC · 162Nov 10, 09:09 UTC · 168Nov 10, 09:24 UTC · 174Nov 10, 09:39 UTC · 182Nov 10, 09:54 UTC · 188Nov 10, 10:09 UTC · 196Nov 10, 10:24 UTC · 202Nov 10, 10:39 UTC · 204Nov 10, 10:54 UTC · 206Nov 10, 11:09 UTC · 207Nov 10, 11:24 UTC · 211Nov 10, 11:39 UTC · 214Nov 10, 11:54 UTC · 215Nov 10, 12:09 UTC · 217Nov 10, 12:24 UTC · 222Nov 10, 12:39 UTC · 224Nov 10, 12:54 UTC · 232Nov 10, 13:09 UTC · 233Nov 10, 13:24 UTC · 237Nov 10, 13:39 UTC · 237Nov 10, 13:54 UTC · 239Nov 10, 14:09 UTC · 243Nov 10, 14:24 UTC · 246Nov 10, 14:39 UTC · 251Nov 10, 14:54 UTC · 257Nov 10, 15:09 UTC · 261Nov 10, 15:24 UTC · 264Nov 10, 15:39 UTC · 265Nov 10, 15:54 UTC · 267Nov 10, 16:09 UTC · 274Nov 10, 16:24 UTC · 280Nov 10, 16:39 UTC · 287Nov 10, 16:54 UTC · 289Nov 10, 17:09 UTC · 290Nov 10, 17:24 UTC · 293

From the discussion

A few top-level comments from Hacker News, shortened. Read the full thread on Hacker News.

Around '05 or so, the house we were staying in started beeping. Smoke alarm sounds, as usual. For almost a day we couldn't find the source. Contacted the owners -- they didn't know it either. They bought the house few years prior, so not much of a help. Standing in the hallways listening at different angles, as the…

I didn't mention this in the article, but this isn't the first time my family has been driven almost spare by a mysterious, hard-to-track beep. Our dog goes outside and hides in the lavender bush if a smoke alarm starts making a "I need a battery" noise. So I went into this project with the attitude that I would like…

You can also solve this in O(logn) using a physical binary search: 1) Move half the boxes to another room. 2) Listen for a beep and determine which room the beep comes from. 3) Take the boxes in that room and split them in half again. 4) Repeat until one box is left.

Questions

Is Locating the source of a mysterious beep trending on Hacker News right now?

Yes. As of Nov 10, 17:24 UTC it is #8, holding steady at #8 over the last 6 checks.

What is the highest rank Locating the source of a mysterious beep reached?

#7 on Hacker News · Front page, on Nov 10, 14:39 UTC. Trendoday checks this list every 15 minutes.

How long has Locating the source of a mysterious beep been trending?

It was first seen on Nov 10, 2026 and has been on the list on 1 day (62 checks) since.

How much discussion did it get on Hacker News?

244 points and 124 comments; submitted by bigwheels on Nov 10, 2026.