A lidar scanner has a resolution so high it can image ridges and indentations only 1 millimetre deep on objects hundreds of metres away – and capture objects as distant as 1 kilometre A lidar scanner has a resolution so high it can image ridges and indentations only 1 millimetre deep on objects hundreds of metres away – and capture objects as distant as 1 kilometre New Scientist – News
New device can scan your face in 3D from hundreds of metres away
![New device can scan your face in 3D from hundreds of metres away](https://images.newscientist.com/wp-content/uploads/2025/02/06145346/SEI_238803103.jpg)