The Light Bulb by Keyonna Kent https://padlet.com/25kkent/2rhndtxif904k5qz en-us 2020-09-24 15:36:04 UTC 2024-05-26 08:28:09 UTC hello@padlet.com 25kkent https://padlet.com/25kkent/2rhndtxif904k5qz/wish/788787453 The American inventor Thomas Edison experimented with the light bulb in the 1870s. An air-tight glass case with a filament inside that was connected to a current. The filaments didn't last very long at the time. But in 1879 Edison invented a long-lasting filament that was made from carbon. ]]> 2020-09-29 17:06:03 UTC https://padlet.com/25kkent/2rhndtxif904k5qz/wish/788787453 Primary Source is original; it could be a note written by someone from the past; a person that was their when it happened; etc. 25kkent https://padlet.com/25kkent/2rhndtxif904k5qz/wish/788874588

This letter is from Thomas Edison claiming the invention of the light bulb.]]> 2020-09-29 17:23:22 UTC https://padlet.com/25kkent/2rhndtxif904k5qz/wish/788874588 25kkent https://padlet.com/25kkent/2rhndtxif904k5qz/wish/789069284 This is a picture of the American Inventor holding the light bulb.]]> 2020-09-29 18:03:57 UTC https://padlet.com/25kkent/2rhndtxif904k5qz/wish/789069284 Secondary Source- info that was created later in time by someone that wasn't their at the time. 25kkent https://padlet.com/25kkent/2rhndtxif904k5qz/wish/789191071 This is a sketch of Thomas Edison's light bulb.]]> 2020-09-29 18:30:07 UTC https://padlet.com/25kkent/2rhndtxif904k5qz/wish/789191071 25kkent https://padlet.com/25kkent/2rhndtxif904k5qz/wish/789274387 Here is a video example of a secondary source. ]]> 2020-09-29 18:49:51 UTC https://padlet.com/25kkent/2rhndtxif904k5qz/wish/789274387