Our list of the 50 most innovative companies, including the following:
Ushahidi
Geron
Google
Crowdcast
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Yu-Guo Guo
Creating a cheap, safe material for electric-vehicle batteries
Andrew Phillips
Computer-assisted genetic engineering
Fengnian Xia
Replacing silicon with graphene
Riccardo Signorelli
Cheap nanotubes for ultracapacitors
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Homomorphic Encryption
Making cloud computing more secure
Cloud Streaming
Bringing high-performance software to mobile devices
Smart Transformers
Controlling the flow of electricity to stabilize the grid
Separating Chromosomes
A more precise way to read DNA will change how we treat disease
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