This new device can be installed on spy mini-drones to analyze the air for explosives or humans hidden in bunkers and tunnels, perhaps a more advanced version will be able to analyze the DNA of expired gases and identify people.
https://interestingengineering.com/innovation/mini-spectrometer-low-voltage-sensor?utm_campaign=13508169-The%20Blueprint%20Daily%20Subscription&utm_medium=email&_hsmi=373448739&utm_content=373448739&utm_source=hs_email
https://interestingengineering.com/innovation/mini-spectrometer-low-voltage-sensor?utm_campaign=13508169-The%20Blueprint%20Daily%20Subscription&utm_medium=email&_hsmi=373448739&utm_content=373448739&utm_source=hs_email
