I recently read an article about the ability of thermal imagers to see what our eyes cannot see. It looked so interesting that I decided to try the experiment myself. Here is what I came up with.
![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgOx0xRts8pe4BuY4M3qCORD4kRg0mV6y161T9A0_H5SMYCek_NLbu9Xi_2P87L6lzUBcYyoKGjuKfcVPTAdEQ3WqKIPrEZNjcG6Iuu1ICleRrJPdm4uiKbMbIFBR5owOKusfbjmXhk_g/s400/RGB+without+Bag.jpg) |
Me in visible light. |
![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhxzzM5O8GqDFZ5ifhnZf9UHpHOCA4qLhyxPgXDNzjrrHkJp_codqQ2vs_BfiXinrXVXvBYpWv6qcyObt0sk8axio0BhHJ5DdKmOj6p2sA1D_pY5k0r0W4EQ5TH-p7j80OUv0t3RxOg6A/s400/LWIR+without+Bag.PNG) |
Me in long wave infrared. |
![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjmrscjS71wcL3hu2tehSDLOIB4sRsrBfjW4GFC7LB1IS07TKubrD11IUP8zqlOUVVAyTT0PFooyCeoMlxiNT5w5JJwMjlQB8heRHKGn4IrBof_CdglzPRT5WYV7FzYmvmz1ZuX0PhVuQ/s320/RGB+with+Bag.jpg) |
Now you can't see me in visible light because I'm hiding behind a black plastic trash bag (okay, maybe you can tell I'm behind the bag because of the lighting behind me). |
![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjB7BJ7NIVCwRIbyfkrYGLAllGJz1wa6zeri_gZEl7AohhRcXESSl-1a5ff8Vi9stO7M02BlBmZgC0hZDf_3GIShLY5fh6kKnc27cidsaX4eDl0Z7Dc8mabKqO6l_-aRQdmzc6nfPsG6Q/s400/LWIR+with+bag.PNG) |
But a black plastic trash bag is not good enough to hide me in long wave infrared. |
I've learned that some materials will not hide you as you expect in long-wave infrared.
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