CEP: News Update


Scientists at Georgia Institute of Technology and Singapore Univ. of Technology and Design have developed a way to 3D-print objects that can easily change shape when they are heated. The process could enable a new approach to product design, in which a single component is designed to embody multiple configurations.

Natural gas extracted from wellheads is not a pure stream of methane. Rather, it is a mixture of about 90% methane (C1), with the remainder mostly ethane (C2), propane (C3), and butanes (C4). Small amounts of CO2, H2S, and N2 are also present. Gas processing plants remove these impurities to meet pipeline specifications.

A new vaccine for HIV is controlled by a genetic kill switch that may make for a safer, less infectious inoculation than earlier options.

Mere ink and light can turn two-dimensional polymers into three-dimensional sculptures in an array of shapes, from snail shells to ropey coils to lotus flowers.

A new printable, nonvolatile memory is the first printed memory device to measure up to flash memory in function.

The volume of water in the atmosphere is estimated to be about 13,000 trillion L (3,434 trillion gal) — a natural resource that could address global water scarcity. Existing methods to capture this water require either air at very high relative humidity or a large amount of energy — making atmospheric water unviable for consumption. A new development by scientists at the Univ. of California, Berkeley and the Massachusetts Institute of Technology (MIT) could change that.

Boron has taken on multiple jobs, including light harvester, photothermal converter, hydrogen generator, and catalyst, to convert CO2 into valuable chemicals.

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