Braille typewriter. LEDs (light emitting diodes) and other components forming part of a prototype braille typewriter, built by a student in a photonic

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Braille typewriter. LEDs (light emitting diodes) and other components forming part of a prototype braille typewriter, built by a student in a photonics laboratory. Photonics is the science and technology of light.

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Size: 7237px × 4830px
Photo credit: © CORDELIA MOLLOY/SCIENCE PHOTO LIBRARY / Alamy / Afripics
License: Licensed
Model Released: No

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