Lamp (research)
From Official Factorio Wiki
		| Lamp (research) | Edit | 
| 
 Cost  | 
|
| ✖ 10 | |
| 
 Prototype type  | 
|
| 
 Internal name  | 
 lamp  | 
| 
 Required technologies  | 
|
| 
 Effects  | 
|
Optics is a technology which unclocks the lamp. Once researched, allows the player to research solar energy.