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[io9]Thwarting thieves with polymers and rainbows

post #1 of 3
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Like pickpocketing, counterfeiting money may soon be a crime of the past. Researchers at the University of Sheffield have created a "colorless pigment" that creates rainbows and prevents replicability for use on money, passports, and other stuff you don't want copied.
Here's how the magical fraud-fighting rainbows are created: pigment-free polymer materials are combined in highly ordered layers to make alloys called block copolymers. These alloyed copolymers display intense color because of their structure. This structure draws on the expanding field of biomimcry: Just as iridescent beetle shells and butterfly wings exhibit multiple colors from different angles, these lab-synthesized layers can mimic the entire range of the rainbow by mixing copolymers in various proportions.
medium_rainbowpolymers.jpg
[ame]http://www.youtube.com/watch?v=q-GgpxdNrc4&feature=player_embedded[/ame]
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post #2 of 3
Challenge accepted.
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(16 items)
 
  
CPUMotherboardGraphicsRAM
Intel i5 2500k MSI P67A-GD65 (B3) 760ti G.Skill Ripjaws 
Hard DriveCoolingOSMonitor
OCZ Vertex 2 Noctua NH D14 Windows 7 64bit Dell SP2309W 
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Dell S2009W Dell S2009W CM Storm Quickfire XT NZXT Phantom Black 
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Razer Deathadder Chroma 
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post #3 of 3
Who cares? All they have to do is counterfeit old money and it beats the system.
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