Microwave oven cooks up solar cell material

University of Utah metallurgists used an old microwave oven to produce a nanocrystal semiconductor rapidly using cheap, abundant and less toxic metals than other semiconductors. They hope it will be used for more efficient ...

Scientists eye risks of quantum dots

Quantum dots have the potential to bring many good things into the world: efficient solar power, targeted gene and drug delivery, solid-state lighting and advances in biomedical imaging among them.

Form of Mercury in Older Dental Fillings Unlikely to be Toxic: Study

(PhysOrg.com) -- Amid the on-going controversy over the safety of mercury-containing dental fillings, a University of Saskatchewan research team has shed new light on how the chemical forms of mercury at the surface of fillings ...

Copper-Free Click Chemistry Used in Mice

(PhysOrg.com) -- For the first time, the widely used molecular synthesis technique known as click chemistry has been safely applied to a living organism. A team of Berkeley Lab and UC Berkeley researchers has developed a ...

Cobalt discovery replaces precious metals as industrial catalyst

(Phys.org)—Cobalt, a common mineral, holds promise as an industrial catalyst with potential applications in such energy-related technologies such as the production of biofuels and the reduction of carbon dioxide. That is, ...

The hidden danger of heavy metals in catalytic converters

The heart of every car is its engine, where the energy of petroleum combustion is transformed to mechanical energy, which makes the car move. Unfortunately, no internal combustion engines are environmentally friendly. Carbon ...

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