2016-05-16, 00:45
A better hologram for fraud protection and wearable optics
Holograms are a ubiquitous part of our lives. They are in our wallets -- protecting credit cards, cash and driver's licenses from fraud -- in grocery store scanners and biomedical devices.
http://feeds.sciencedaily.com/~r/science...150533.htm
Holograms are a ubiquitous part of our lives. They are in our wallets -- protecting credit cards, cash and driver's licenses from fraud -- in grocery store scanners and biomedical devices.
http://feeds.sciencedaily.com/~r/science...150533.htm