Chemists report promising advance in fuel-cell technology

Chemists report promising advance in fuel-cell technology: "In a new study, chemists at Brown University report a promising advance. They have created a unique core and shell nanoparticle that uses far less platinum yet performs more efficiently and lasts longer than commercially available pure-platinum catalysts at the cathode end of fuel-cell reactions."

Observations: What happens when coal is gone?

Observations: What happens when coal is gone?: "In two centuries, people will still want to drive cars, fly in airplanes and have lighting in their houses. “Everybody I know thinks there will be big price increases with the end of easy oil and there’ll be a struggle over the resources,” he said Monday. The young scientists in the audience “need to figure out how to keep that struggle from turning into a hot war.”"