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501,381 views
Design, Engineering & Technology
How do jetpacks work? And why don't we all have them?
lesson duration 05:03
259,940 views
Design, Engineering & Technology
Blood, concrete, and dynamite: Building the Hoover Dam
lesson duration 05:12
761,501 views
583,483 views
Design, Engineering & Technology
Yes, scientists are actually building an elevator to space
lesson duration 05:19
724,277 views
305,853 views
485,409 views
Design, Engineering & Technology
The surprisingly long history of electric cars
lesson duration 05:20
368,797 views
2,995,785 views
299,854 views
410,790 views
3,591,413 views
149,547 views
1,248,059 views
3,274,293 views
Design, Engineering & Technology
How one design flaw almost toppled a skyscraper
lesson duration 05:16
722,683 views
788,627 views
Business & Economics
Why good ideas get trapped in the valley of death— and how to rescue them
lesson duration 05:10
720,338 views
258,202 views
558,449 views
412,335 views
2,826,873 views