Two Scientists
Last night, I watched a video on YouTube, which referred to a history about two scientists, Thomas Edison and Nikola Tesla. I remembered when I was a child, my school history class taught me that Edison was a great scientist who invented the light bulb. But, after I watched the video, I actually knew Edison was very sneaky.
I haven’t heard about Nikola Tesla since I watched the video. He was so intelligent that I suppose he might come from the future.
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Two Scientists
Last night, I watched a video on YouTube, which referred to a the history about of* two scientists, Thomas Edison and Nikola Tesla. I remembered when I was a child, that my school history class taught me that Edison was a great scientist who invented the light bulb. But, after I watched the video, I actually knew learned {or found out, discovered} that Edison was very sneaky.I haven’t hadn't heard about Nikola Tesla since before** I watched the video. He was so intelligent that I supposed he might have come from the future. {better: I would have assumed/guessed/imagined that he had come}
*Either "which referred to the history of..." or "which was about..." but not both.
**"Hadn't heard since" would mean not hearing about Tesla *after* seeing the video.
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