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New telescopes to study the aftermath of the Big Bang

New telescopes to study the aftermath of the Big Bang
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Si/GaN Device can Help Accelerate Commercialization of Hydrogen Fuel Cells

Si/GaN Device can Help Accelerate Commercialization of Hydrogen Fuel Cells About three years ago, researchers from the University of Michigan had identified a new artificial photosynthesis device composed of silicon and gallium nitride (Si/GaN). Guosong Zeng, a postdoctoral scholar in Berkeley Lab’s Chemical Sciences Division, at work testing an artificial photosynthesis device made of gallium nitride. Zeng, along with Berkeley Lab staff scientist Francesca Toma, discovered that the device improves with use. Image Credit: Thor Swift/Lawrence Berkeley National Laboratory. This device uses solar light to produce carbon-free hydrogen for fuel cells with double the stability and efficiency of some former technologies.

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