If incandescent lights heating a metal filament are used for seeing in the dark, then what is used for used for seeing in the dark?

Answer choices:
- It gets more light
 - Magnifying glass
 - Heating a metal filament.
 - our nearest star
 - Eyeglasses
 - Electrical energy
 - Electric devices
 - Binoculars

 

   Heating a metal filament.       