La noche prehistórica

The video explores the evolution of light sources from natural ones like the sun and starlight to early artificial sources such as firelight, candles, and oil lamps. It highlights the significant change brought by the invention of light bulbs in the 1900s, which allowed for extended activities into the night using electrical energy. This advancement transformed societal activities, enabling nighttime sports, driving, and studying.

What were the primary sources of light for our prehistoric ancestors?

• Sunlight and starlight

• Candles and oil lamps

• Light bulbs

• Street lights and flashlights

Which of the following was an early form of artificial light?

• Electric light

• Firelight

• Sunlight

• Starlight

What invention made nightlife more interesting before the 1900s?

• Street lights

• Candles and oil lamps

• Flashlights

• Light bulbs

When did the widespread use of light bulbs begin to change nightlife significantly?

• 1800

• 1850

• 1900

• 1950

How has artificial light impacted our ability to perform activities at night?

• It has limited our activities to daylight hours.

• It has no impact on our nighttime activities.

• It has made it difficult to see at night.

• It allows us to see at night almost as easily as during the day.