Our list of the 50 most innovative companies, including the following:
American Superconductor
eSolar
SpaceX
Akamai
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Yu-Guo Guo
Creating a cheap, safe material for electric-vehicle batteries
Joel Moxley
Drilling with lasers
Jernej Barbič
Speeding up simulations of complex objects
Miriah Meyer
Extending data visualization to biology
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Smart Transformers
Controlling the flow of electricity to stabilize the grid
Solid-State Batteries
High-energy cells for cheaper electric cars
Gestural Interfaces
Controlling computers with our bodies
Crash-Proof Code
Making critical software safer
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