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A new fuel cell uses a cheap nickel catalyst.
A biomimetic ceramic that is strong and tough could be used to make lightweight vehicles.
An engine from Lotus and Continental Powertrain consumes 15 percent less fuel.
Thin but efficient solar cells use one-tenth the silicon of conventional cells.
A new design could run ultrahigh-resolution climate models.
Nanocrystals could light the way to using LEDs to replace the lightbulb.
A new solar laser could be instrumental in the quest to use magnesium as a source of energy.
A new magnetic-cooling system could lead to more-energy-efficient refrigerators.