Across
- 3. an electric current that reverses direction periodically
- 5. a new method, idea, or device
- 7. a person who is among the first to develop new ideas or methods
- 8. something handed down from the past
- 9. electric current flowing in one direction only
Down
- 1. acknowledgment of achievement or merit
- 2. a mental image of what the future will or could be like
- 4. a room or building equipped for scientific research
- 5. a person who comes to live permanently in a foreign country
- 6. unconventional and slightly strange
