If you look at the back of a credit card, a driver’s license, or even a dollar bill, you will likely notice a hologram, or iridescent feature, that appears to change color when viewed at different angles. These color-shifting security features have been around for decades, allowing ample time for people to find ways of counterfeiting the effects. Even so, these types of highly visible and easily recognized color-shifting features are still among the most commonly used optical security element – and Penn State-affiliated startup Chromatir may have discovered a more secure and customizable way to implement this effect.
Subtitle:
Founders use Penn State entrepreneurial ecosystem to work toward commercialization
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