Welcome to DU! The truly grassroots left-of-center political community where regular people, not algorithms, drive the discussions and set the standards. Join the community: Create a free account Support DU (and get rid of ads!): Become a Star Member Latest Breaking News General Discussion The DU Lounge All Forums Issue Forums Culture Forums Alliance Forums Region Forums Support Forums Help & Search

General Discussion

(18,585 posts)

4. Near-IR LEDs aren't visible to the human eye, but are visible to most cameras.

Wed Jan 23, 2013, 10:12 PM

Jan 2013

Just like you can use your camera phone to 'see' your remote control's output, cameras would 'see' the LEDs, but you and I wouldn't.

Edit history

Please sign in to view edit histories.

6 replies

= new reply since forum marked as read

Highlight:

Japanese scientists launch face recognition-blocking glasses [View all] Incitatus Jan 2013 OP

I think is recognize that guy jberryhill Jan 2013 #1

It blocks Internet search face recognition software siligut Jan 2013 #2

There's always the lo-tech version SirRevolutionary Jan 2013 #3

Post of the day ! Very funny. virgogal Jan 2013 #5

This is just retaliation. baldguy Jan 2013 #6