Technology

58303 readers

26 users here now

This is a most excellent place for technology news and articles.

Our Rules

Follow the lemmy.world rules.
Only tech related content.
Be excellent to each another!
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, to ask if your bot can be added please contact us.
Check for duplicates before posting, duplicates may be removed

Approved Bots

founded 1 year ago

MODERATORS

[email protected]

165

This tiny, tamper-proof ID tag can authenticate almost anything (news.mit.edu)

submitted 8 months ago* (last edited 8 months ago) by [email protected] to c/[email protected]

36 comments fedilink hide all child comments

TL;DR MIT researchers have developed an antitampering ID tag that is tiny, cheap, and secure. It is several times smaller and significantly cheaper than the traditional radio frequency tags that are used to verify product authenticity. The tags use glue containing microscopic metal particles. This glue forms unique patterns that can be detected using terahertz waves. The system uses AI to compare glue patterns and calculate their similarity. The tags could be used to authenticate items too small for traditional RFIDs.

you are viewing a single comment's thread
view the rest of the comments

[–] [email protected] 7 points 8 months ago (1 children)

Terahertz is not utilized much yet due to cost.

Is that right?

[–] [email protected] 5 points 8 months ago* (last edited 8 months ago) (1 children)

Cost is somewhat relative at this scale. THz is just unstable over any normally expected usable distances since they are . At this scale, I assume they are thinking more like NFC replacement tech maybe? It's definitely got more applications than just object tracking, but that seems to be it's first test.

[–] [email protected] -1 points 8 months ago

It's updated RFID tags that are even harder to detect, and unlike the standard ones, require specialized technology to activate, so they get security through obscurity.

It has nothing to do with NFCs. Likely has a lot to do with the police state ID cards and vehicle tracking that the Bush Administation tried to implement in the late 2000s.