A Never Before Seen Optical Trick Creates Ultra-Secure Cash
Imagine a bill covered with microscopic holes that caused it to glow slightly in the light. It’s tech borrowed from a butterfly, and it may soon be foiling counterfeiters around the world.
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A Never Before Seen Optical Trick Creates Ultra-Secure Cash Imagine a bill covered with microscopic holes that caused it...
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For this, we have to thank the Blue Morpho Butterfly. They are truly magical creatures here in #costarica. via
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A Never Before Seen Optical Trick Creates Ultra-Secure Cash Imagine a bill covered with microscopic holes that caused it...
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