but there was an even older technology as [Our Own Devices] shows us in a recent video. The Metascope Type B was a first-generation passive night vision viewer that relied on moonlight.

but there was an even older technology as [Our Own Devices] shows us in a recent video. The Metascope Type B was a first-generation passive night vision viewer that relied on moonlight.

It is the IR devices’ sensitivity to minute temperature changes from one object to another that allows them to project highly detailed images on an IR sensor. Newer night-vision technology such as the ...