4 ms·
> Ordinary glass (as in spectacles) frames that have a near IR LED on the bridge and on the side. Or use those 1550 nm LiDAR lasers that are safe for eyes but
by 1659447091 5mo ago
> Ordinary glass (as in spectacles) frames that have a near IR LED on the bridge and on the side.
Or use those 1550 nm LiDAR lasers that are safe for eyes but burn out cameras pointed at them