https://padlet.com/26evanvalkenburg/esbchddizvl82cyl when the lights turned on en-us 2020-10-17 16:25:01 UTC 2020-10-17 16:58:18 UTC hello@padlet.com https://img-new.cgtrader.com/items/305668/ebb38076ba/incandescent-light-bulb-3d-model-max-obj-3dm.png 26evanvalkenburg https://padlet.com/26evanvalkenburg/esbchddizvl82cyl/wish/837774836 a primary source is a source that was present at the time of the event. this is the link to the original patent ]]> 2020-10-17 16:29:30 UTC https://padlet.com/26evanvalkenburg/esbchddizvl82cyl/wish/837774836 26evanvalkenburg https://padlet.com/26evanvalkenburg/esbchddizvl82cyl/wish/837778021 a secondary source is a source produced after the event this is a link to the history of the light bulb]]> 2020-10-17 16:33:26 UTC https://padlet.com/26evanvalkenburg/esbchddizvl82cyl/wish/837778021 26evanvalkenburg https://padlet.com/26evanvalkenburg/esbchddizvl82cyl/wish/837783210 An image of Edison with his light bulb.]]> 2020-10-17 16:39:54 UTC https://padlet.com/26evanvalkenburg/esbchddizvl82cyl/wish/837783210 26evanvalkenburg https://padlet.com/26evanvalkenburg/esbchddizvl82cyl/wish/837785383 The biography of Edison from biography.com]]> 2020-10-17 16:42:26 UTC https://padlet.com/26evanvalkenburg/esbchddizvl82cyl/wish/837785383 26evanvalkenburg https://padlet.com/26evanvalkenburg/esbchddizvl82cyl/wish/837787126 Thomas Edison patented the light bulb on January 27, 1880. The first type of light bulb was incandescent. Light was created by super heating the metal inside. Currently there is a whole lot of light bulbs.]]> 2020-10-17 16:44:00 UTC https://padlet.com/26evanvalkenburg/esbchddizvl82cyl/wish/837787126