Night Vision Devices? It is simple!

2003 year. Iraq. In the Gulf, War raged. Americans won the war because they use high technology because they use night vision devices. Then appear the secret reports of the secret services. Night vision devices perform poorly in the desert. High temperatures adversely affect of the parameters of the devices. Distance the action decreases. If you want to understand how it works buy this book. The book has many formulas. The formulas are intended for professionals. But the book has many pictures. Drawings explain the formulas. So ordinary people understand the complicated mathematics.