Can cobalt nanoparticles replace platinum in fuel cells?

(Phys.org)—Platinum works well as a catalyst in hydrogen fuel cells, but it has at least two drawbacks: It is expensive, and it degrades over time. Brown chemists have engineered a cheaper and more durable catalyst using ...

Workshop offers geeks industrial-strength toys

(AP) -- In the tech-obsessed South of Market neighborhood that digital sensations like Twitter and Zynga call home, a newfangled workshop for would-be inventors blends a startup sensibility with the area's historic manufacturing ...

Light-generating transistors to power labs on chips

(PhysOrg.com) -- What started out as 'blue-sky' thinking by a group of European researchers could ultimately lead to the commercial mass production of a new generation of optoelectronic components for devices ranging from ...

Nanoscale materials grow with the flow (Videos)

Imagine unloading a pile of bricks onto the ground and watching the bricks assemble themselves into a level, straight wall in only a few minutes. While merely a fantasy for builders in the everyday world, these types of self-assembled ...

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