Across
- 3. Added a video element to radio signals
- 5. Recording memories
- 6. Helps to see distant things closely
- 7. Captured Lightning
- 8. Changed communications for good
- 9. Two brothers who gave wings to a long-cherished dream of mankind
Down
- 1. Can run out of charge
- 2. Makes solving maths quicker
- 4. Carried images through analog lines
- 7. Created the most feared weapon of all times