### [2014-03-5](/feed/2014/03/5/index.md)

##### Infrared sensor
# An 1,800-year-old Egyptian papyrus discovered a century ago, whose inscription is nearly illegible to the naked eye, has been made more readable using infrared sensors, revealing the message to be a soldier's letter to his family. 




### Sources:

1. [Live Science](http://www.livescience.com/43900-ancient-egyptian-soldier-letter-deciphered.html)