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CHANNEL COMMENTS | A-MAN STEM International Science Center |
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| Hildreth (Hal) Walker, Jr. is the man that fired the Laser to the moon successfully during the Apollo 11 Moon Landing. Now Professor Hal and... | ||||||||
esppr Views:6,170 | Uploaded: 2019-02-23 Produced:2018-00-00 | Category: Educational Duration:1:34 | ||||||
