Bridges vs. Tunnels
Brains On! Science podcast for kids
English - August 26, 2015 17:31 - 28 minutes - 26.4 MB - ★★★★★ - 12.1K ratingsKids & Family Science Homepage Download Apple Podcasts Google Podcasts Overcast Castro Pocket Casts RSS feed
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We’ve gotten a lot of questions about bridges and tunnels: How do bridges stay up? How are tunnels built? How do they build bridges over water? How do they put tunnels underwater? To answer these questions we’re staging a little friendly competition: bridges vs. tunnels!