When people name the most important inventions in history, light bulbs are usually on the list. They were much safer than earlier light sources, and they made more activities, for both work and play, ...

Thomas Edison at the lightbulb’s golden jubilee anniversary. The story of humans trying to use light and heat to their benefit goes back to prehistoric times. The earliest use of fire for these ...

When people name the most important inventions in history, light bulbs are usually on the list. They were much safer than earlier light sources, and they made more activities, for both work and play, ...

University of Tennessee provides funding as a member of The Conversation US. When people name the most important inventions in history, light bulbs are usually on the list. They were much safer than ...

(The Conversation is an independent and nonprofit source of news, analysis and commentary from academic experts.) Curious Kids is a series for children of all ages. If you have a question you’d like ...