this post was submitted on 05 Jun 2026
-7 points (45.9% liked)
Technology
85136 readers
4002 users here now
This is a most excellent place for technology news and articles.
Our Rules
- Follow the lemmy.world rules.
- Only tech related news or articles.
- Be excellent to each other!
- Mod approved content bots can post up to 10 articles per day.
- Threads asking for personal tech support may be deleted.
- Politics threads may be removed.
- No memes allowed as posts, OK to post as comments.
- Only approved bots from the list below, this includes using AI responses and summaries. To ask if your bot can be added please contact a mod.
- Check for duplicates before posting, duplicates may be removed
- Accounts 7 days and younger will have their posts automatically removed.
Approved Bots
founded 3 years ago
MODERATORS
you are viewing a single comment's thread
view the rest of the comments
view the rest of the comments
A magnetic cement (mixed with iron) will indeed make it easy to hang a picture on the wall without a drill at the small small price of blocking mobile and wifi signal
Also when you have to drill into a wall (say, to get a cable through it), those devices that detect wires won't be able to help you anymore. Sooo... Good luck?
You don't need wires if the cement is conductive \s
Ah yes, the mad scientist way. Keep clear of the walls during storms though.
If that's not enough of a sell for you, how about rusting walls from any of that iron that finds itself on the surface
And let's not forget concrete and steel are the most environmentally impactful building materials. Is "magnet" a good enough reason to fill your walls with them?
Wanted to ask exactly that - I don't care too much about blocking wifi because repeaters are a thing, but mobile reception is gonna suck big time. If this is going to be widely adopted, we will be back in the times of searching the spot with the least worst reception.