Guinness World Records recognized Alex Burkan, a Russian YouTuber, with creating the world's first retractable lightsaber that you can hold in your hands.
원문출처 : https://www.cnn.com/videos/business/2022/01/27/youtuber-first-real-lightsaber-orig.cnn-business
원문출처 : https://www.cnn.com/videos/business/2022/01/27/youtuber-first-real-lightsaber-orig.cnn-business