Mark Rober
Mark B. Rober (born 1980 or 1981) is an American YouTuber, engineer, inventor, and educator. He is known for his YouTube videos on popular science and do-it-yourself gadgets.
Mark B. Rober (born 1980 or 1981) is an American YouTuber, engineer, inventor, and educator. He is known for his YouTube videos on popular science and do-it-yourself gadgets.
Mark B. Rober (born 1980 or 1981) is an American YouTuber, engineer, inventor, and educator. He is known for his YouTube videos on popular science and do-it-yourself gadgets.
Source: Wikipedia "Mark Rober" · CC BY-SA 4.0
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