At least 57 nations have live antipersonnel land mines in their territories. In 2024 alone, 1,945 people were killed by mines and 4,325 were injured, 90% of whom were civilians. Nearly half of those ...

A new ultrathin photodetector from Duke University can sense light across the entire electromagnetic spectrum and generate a ...

I've reviewed security systems from all major brands. Here are my most important recommendations when you're ready to set up your own.