Expand Cut Tags

No cut tags

IR Diodes

Sep. 1st, 2017 02:00 pm
guppiecat: (Default)
[personal profile] guppiecat

IR Diodes_5


Did you know that the entertainment systems on newly retrofitted planes have two infrard LEDs in each seat?


The operating theory is that they are proximity detectors. Still, they seem to emit an awful lot of light if that’s their purpose.




Originally posted at stories.starmind.org.

Profile

guppiecat: (Default)
guppiecat

January 2026

S M T W T F S
    123
456 78910
11121314151617
18192021222324
25262728293031

Most Popular Tags

Style Credit

Page generated Apr. 3rd, 2026 10:28 am
Powered by Dreamwidth Studios