Produced by Rob Ludacer. Follow TI: On Facebook More from Tech French architect Jacques Rougerie has designed a 3,000-foot-long, manta-ray-shaped vessel capable of hosting 7,000 people.

The largest ray in the world (up to 8m wide!), the giant manta is a graceful and gentle creature. They can make migrations across the oceans, finding their way by following topographical maps ...

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 ...

They have no teeth or stinger. “(The manta rays) are using the cephalic lobes that are on the front of their face; they’re ...

A US military submarine that looks like a giant metal manta ray and is currently under development passed its first major ...