My Canon 6D is over 11 years old and while it's served me well in that time, it's been replaced by multiple generation ...

But just beyond visible red light is infrared, which is faster still. While not visible to the human eye, there are cameras and sensors that can detect and capture infrared light. If you have an ...

we are unlikely to have an infrared camera at home. However, nonlinear frequency conversion, a process that manipulates and ...