Holograms Will Help Us See the Invisible
They were on the killer binders the cool kids carried to middle school, and they make appearances on government-issued IDs. The very idea of their existence has captured sci-fi writers’ imaginations for decades. Holographic images—occasionally misunderstood, often used for projects both mundane and complex—utilize basic tricks of light and photographic impression that have been in wide use since the 1960s.
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