00:04:00
Wingtip Vortices
A very well-explained description of the theory of lift and of how the energy-sapping wingtip vortices are created in aircraft flight. This talk was the runner-up in the 2016 Kroto Prize for Innovative Use of Technology in Science Learning.
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00:05:00
What goes up must come down
A fascinating discussion between two humanoids about the mystery force of gravity.
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