What's the Correct Order? | Choices |
1. (Thirteenth century) | Laser |
2. (Fifteenth century) | Periodic table of elements |
3. (Sixteenth century) | Submarine |
4. (First half of seventeenth century) | Pressure cooker |
5. (Second half of seventeenth century) | Graphite pencil |
6. (Eighteenth century) | Mechanised, moveable type printing press |
7. (Nineteenth century) | Capsule endoscope |
8. (First half of twentieth century) | Powered air conditioning unit |
9. (Second half of twentieth century) | Multi-spindle spinning machine (spinning jenny) |
10. (Twenty-first century) | Wearable eyeglasses |