| 3385 | Science: Gadgets | Multiple Choice | Easy | When was the DVD invented? |
| 3386 | Science: Gadgets | Multiple Choice | Easy | When did the CD begin to appear on the consumer market? |
| 3387 | Science: Gadgets | Multiple Choice | Easy | When was the iPhone released? |
| 3388 | Science: Gadgets | Multiple Choice | Hard | Who built the first laser? |