In engineering, variable-buoyancy propulsion is the use of a buoyancy engine to provide propulsion for a vehicle.[1] The concept was first explored in the 1960s for use with underwater gliders, but has since been applied to autonomous aircraft as well.[2]
- ^ "UK team trials new ultra-endurance air vehicle". University of the Highlands and Islands. 23 April 2019. Retrieved 22 May 2019.
- ^ Macdonald, Kenneth (23 April 2019). "New aircraft rises 'like a balloon'". BBC News. Retrieved 22 May 2019.
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