German engineering firm Festo has created this flying manta ray. Dubbed the Air_ray, it’s a balloon made of an aluminum-vaporised “PET foil”. Inflated with helium, the Air_ray’s propulsion ...
Manta rays are elegantly shaped. They swim by flapping their fins like enormous wings, and their gills filter for plankton ...
A US military submarine that looks like a giant metal manta ray and is currently under development passed its first major ...
A team of researchers from North Carolina State University has beaten its own record for the fastest swimming soft robot, ...
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