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Technology Review

• Electricity from Waste Heat
Ener-G-Rotors' system harvests energy at lower temperatures.

• Obama's NASA Dilemma
The fate of the U.S. space program hangs in the balance.

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• BMW's Electric Car
The new Mini borrows a drive system from a high-performance electric sports car.

• What's Next for Yahoo?
After Jerry Yang, Yahoo may need to rethink its strategy.

• Expanding the Mobile Web
An announcement by Adobe and ARM will let phones see more of the Web.

• Better Wind Turbines
A more efficient generator could convert more of the wind's energy into electricity.

• Presented By:

• Sick Searchers Help Track Flu
Google releases a tool to track the intensity and spread of the flu.

• A Fuel-Sipping Engine
An engine from Lotus and Continental Powertrain consumes 15 percent less fuel.

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