how does a light bulb work and who invented it?

Subject: how does a light bulb work and who invented it?

Date: Tue Apr 17 13:22:13 2012
Posted by aileas
Grade level: 7-9 School: port ellen primary school
City: port ellen State/Province: islay Country: scotland
Area of science: Engineering
ID: 1334694133.Eg

Message:


just started to wonder about this.

Re: how does a light bulb work and who invented it?

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