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Air_ray, modelled on the manta ray, is a remote-controlled hybrid construction consisting of a helium-filled ballonet and a beating wing drive. Its lightweight design enables it to “swim” in the sea of air using the lift from the helium in a similar way to the manta ray in water. Propulsion is achieved by a beating…
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blech: IKB 79 by Yves Klein from the Tate Collection. From their text summary: IKB 79 was one of nearly two hundred blue monochrome paintings Yves Klein made during his short life. Klein did not give titles to these works but after his death in 1962, his widow Rotraut Klein-Moquay numbered all the known blue monochromes…
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(via Nano Air Vehicle | Uncrate)