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The Marimba Virtuoso’s Desktop Planetarium

Cars That Think

This 6-minute documentary, about the restoration of a 1758 grand orrery —so called because it includes the outer planets—is worth watching because it shows the internal gears and clockwork mechanisms: A predecessor to the orrery was the armillary sphere , which featured a ball representing Earth at its center and stars rotating around it.

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UOP looking to biomass catalytic pyrolysis to expand volumes of renewable hydrocarbon fuels

Green Car Congress

Honeywell’s UOP—a major international supplier and licensor of technology for petroleum refining, gas processing, petrochemical production and major manufacturing industries—has also been an early leader in developing technologies for the production of renewable drop-in hydrocarbon fuels. Earlier post.) Hydroprocessing.

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