Israel confirms world-first combat use of laser-beam weapon, downs Hezbollah drones
The new laser weapons will complement Iron Dome defenses
You don't have to use magnetism or electrical charge to store data. It can be done using light, or more rather, the reflection of it. Okay, if you want to be really specific, it's done using the interference of infrared and visible electromagnetic waves, but let's not worry too much about that!