Wednesday, January 25, 2023

Imitating a dog nose helps sniff for chemicals

What happens in the NIST lab? 

2:35 The rapid exhale-inhale sequence 5 times a second enhances the intake of odors and their detection; doing this in the fake nose extended its reach by a factor of 18. 

9:36 we all emit a "human thermal plume" consisting of shedded skin cells

15:22 surveillance of a suspected drug manufacturing site - much safer to send in a drone, whose prop wash stirs up particles that are sensed indicating risk. 

18:26 a video of coding with and withouta mask on

19:52 ""flow visualization" is a critical tool to understand what's happening." 

This fake dog nose made chemical sensors 18x better 

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