The idea of the modern hovercraft is most often associated with Sir Christopher Cockerell. Cockerells group was the first to develop the use of an annular ring of .\r<br>\r<br>Subscribe to Naked Science - Every Wednesday we present a new video, so join us to see the truth laid bare. Boats cant reach high .\r<br>\r<br>Subscribe to Naked Science - Every Wednesday we present a new video, so join us to see the truth laid bare. This machine breaks all the .\r<br>\r<br>I do not own this video. Hovercraft described in depth.