Topic: test

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Testing Fireworks

How do you know that the fireworks you've made are going to burst in the sky as expected? Test them! In this episode of I Didn't Know That, visit one of the UK's leading fireworks manufacturers as they test the compon...

Testing a Space Rover Under Alaskan Ice

Someday it may be possible to explore below the icy surface of Jupiter's sixth-closest moon, Europa, and if this happens, it could be done with a technological descendant of this robotic rover: NASA JPL's Buoyant Rove...

4-Way Stop vs the Roundabout

What’s more efficient: a four way stop or a European-style roundabout? Watch how Adam Savage, Jaime Hyneman, and The Mythbusters team put it to the test to find out the answer. (And if this video disappears, yo...

SpaceX’s Grasshopper hover and landing (October 2013)

We watched the June 2013 Grasshopper test when it reached 325m, but this most recent SpaceX vertical takeoff vertical landing (VTVL) vehicle test more than doubled that height, and the close-up ...

SpaceX’s Grasshopper hover and landing (June 2013)

Full screen, volume up! This is SpaceX’s Grasshopper on June 14, 2013, using its state of navigation capabilities to execute a precision hover and landing sequence:  Grasshopper is a...

SpaceX’s Grasshopper: “What it feels like to ride a rocket.”

From @elonmusk, “What it feels like to ride a rocket.” SpaceX’s Grasshopper takes a 12-story leap towards full and rapid rocket reusability in a test flight conducted December 17, 2012 at SpaceX&#...