The short version
Engineering lecture explaining RF and optical methods for detecting hidden surveillance devices.
From the HackerLinks archive
Dan Gelbart's sensors lecture
Engineering lecture explaining RF and optical methods for detecting hidden surveillance devices.
At a glance:
First seen:2026-10-11
Last seen:2026-10-11
Times seen:1
Website:youtu.be
Why it caught our attention
An explicit watch recommendation links directly to the relevant RF demonstration.
Where it surfaced on Hacker News
2026-10-11
“Dan Gelbart's lecture on sensors[0] explains another fascinating method in detail using RF as well as the optical scanning method mentioned in the original video. The full lecture is worth a watch, but the timestamp is where the RF method explanation starts.”
Zanfa · recommendation
Direct HN comment
Eye of Sauron: Long-Range Hidden Spy Camera Detection (2024)