Top all-time · #21201
alxd
Personal blog · alxd.orgscienceculture
alxd is a personal blog at alxd.org about science and culture. Since 2016, 3 different Hacker News readers have linked it 4 times. It is still writing: the last post was on 2025-07-11, and you can follow it by feed.
Too few sampled comments (1) to say how often HN recommends it.?
Why HN links it
HN readers link this blog's post on the NeuroOn smart sleep mask, a device review that covers whether it is a medical device and how well it works. One comment shares a similar signal-quality experience with the same mask.
Summarised by Claude from a sample of 1 HN comments that link here. Each comment is marked recommending, critical or neutral (citing without judging); how this works.
What Hacker News says?
Same problem with NeuroOn - I woke up with electrode marks on my forehead to get decent signal quality ;) https://alxd.org/images/14_neuroon_signals/examination/elect...
Comment linking /images/14_neuroon_signals/examination/electrode_prints.jpg
on “NeuroOn, the smart sleep mask: not a medical device, but better than a coin toss”Submitted NeuroOn, the smart sleep mask: not a medical device, but better than a coin toss as a story · 73 points
HN discussionSubmitted NeuroOn: a case of startup marketing versus open notebook science as a story · 2 points
HN discussionSubmitted Hackers in popular culture – the curse of being an eternal rebel as a story · 1 points
HN discussion