Producing technicolor through brain-like electronic devices

Structural coloration promises to be the display technology of the future as there is no fading—it does not use dyes—and enables low-power displays without a strong external light source. However, the disadvantage of ...

Hubble sees a celestial swan and butterfly

(Phys.org) -- This image from the Hubble Space Telescope shows planetary nebula NGC 7026. Located just beyond the tip of the tail of the constellation of Cygnus (The Swan), this butterfly-shaped cloud of glowing gas and dust ...

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