Popular Science L-8-5
What's New in the World of Today and Tomorrow!
6/17/19490h 8min10.0/10(1 TMDB votes)
Documentary
Plot
Gigantic machine combs beach in southern California and retrieves articles lost in sand; synthetic gems made by new chemical process; aviation school holds classes in grounded transport plane; how seaweed is processed for scientific use.
Where to watch
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