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Reason 1:

My opinion on why I think the light bulb is the technological outcome that changed mankind. The Light Bulb By Grant. Reason 1:. Without the light bulb we would need to use fire to see. This would be dangerous. So the light bulb is helping to make us safer. Reason 2:.

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Reason 1:

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  1. My opinion on why I think the light bulb is the technological outcome that changed mankind.The Light BulbBy Grant

  2. Reason 1: • Without the light bulb we would need to use fire to see. This would be dangerous. So the light bulb is helping to make us safer.

  3. Reason 2: • If the light bulb wasn't invented we would have to use kerosene oil which is a fossil fuel and would be less environmentally safe.

  4. Reason 3: • Its used in lighthouses to stop ships from crashing into rocks and shore.

  5. Reason 4: • It lights our way so at night in the dark we will know where we are going.

  6. Reason 5: • Headlights on cars light the road so they wont crash into other cars.

  7. Reason 6: • Light bulbs in torches allow us to see in caves, forests and used in emergencies.

  8. Reason 7: • Light bulbs attached to microscopes allow us to see very small objects and insects

  9. Reason 8: • Light bulbs in operating theatres allow surgeons to perform the most complicated operations.

  10. Thanks For listening to my illuminating presentation • That's why I think the light bulb is the technological outcome that changed mankind.

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