Quantum Dots

[slideshare id=9560980&doc=quantumdots1-111005120644-phpapp01]

Slide 27 :

“From consumer goods like music and software, to critical products like drug shipments, and even currency itself, quantum dots provide a method of creating unique, optical barcodes: the precise combinations of wavelengths of light emitted by complex combinations of different quantum dot. Embedded in inks, plastic, glass, and polymers, quantum dots are invisible to the naked eye and impossible to counterfeit.”