Results come from Exumo's own index. Data from YouTube; Exumo is not affiliated with YouTube.

1. 10:25

   How Does the Power Grid Work?

   Practical Engineering · Jun 25, 2019 · 2.2M views

2. 8:15

   How Do Spillways Work?

   Practical Engineering · May 28, 2019 · 3.6M views

3. 12:37

   How Do Traffic Signals Work?

   Practical Engineering · May 14, 2019 · 2.8M views

4. 8:18

   How are Underwater Structures Built?

   Practical Engineering · Apr 23, 2019 · 6.5M views

5. 8:40

   The Most Dangerous Dams

   Practical Engineering · Mar 26, 2019 · 4M views

6. 8:23

   What is a Weir?

   Practical Engineering · Feb 25, 2019 · 8.1M views

7. 8:43

   What is a Hydraulic Jump?

   Practical Engineering · Jan 29, 2019 · 3M views

8. 11:00

   How Water Towers Work

   Practical Engineering · Dec 10, 2018 · 7.4M views

9. 8:47

   What is Prestressed Concrete?

   Practical Engineering · Nov 27, 2018 · 1.1M views

10. 9:34

    Was Roman Concrete Better?

    Practical Engineering · Oct 29, 2018 · 2.6M views

11. 7:49

    Does Rebar Rust?

    Practical Engineering · Sep 25, 2018 · 4.8M views

12. 8:48

    Why the Tacoma Narrows Bridge Collapsed

    Practical Engineering · Aug 28, 2018 · 1.7M views

13. 8:40

    Why Tunnels Don't Collapse

    Practical Engineering · Jul 24, 2018 · 3.8M views

14. 8:25

    What is Cavitation? (with AvE)

    Practical Engineering · Jun 26, 2018 · 1.6M views

15. 8:51

    How to Detect Muons!

    Practical Engineering · May 29, 2018 · 187.2K views

16. 8:11

    Why Concrete Needs Reinforcement

    Practical Engineering · Apr 25, 2018 · 11.5M views

17. 9:11

    What is Concrete?

    Practical Engineering · Mar 27, 2018 · 2.5M views

18. 7:17

    Why Bridges Move...

    Practical Engineering · Feb 27, 2018 · 3.6M views

19. 4:55

    How to Collapse a Pipe by Closing a Valve

    Practical Engineering · Jan 30, 2018 · 1.3M views

20. 6:39

    What is Steam Hammer?

    Practical Engineering · Dec 28, 2017 · 2.3M views