10 New Technologies That Are Helping Firefighters Save Lives 

10. Sonic Fire Extinguishers

9. Drones

8. Headlights that show firefighters the way

7. Mobile fire trucks that save time and money

6. Fire Extinguishing Grenades

5. Wearable technology that senses dangerous gasses

4. NASA Firefighting Suits and Shelters

3. Assistive technology for firefighters who are deaf or hard-of-hearing

2. C-Thru Firefighting Helmet

1. Firefighter helmets with visors to block heat

The 12 Jefferson Nickel Errors Varieties Worth looking For