How feasible is Elon Musk’s idea to establish a colony on Mars in the 2020s?

Philip Metzger, NASA, answers the question on Quora Philip manages a NASA lab that develops tech for “living off the land” on the Moon or Mars or asteroids. That includes mining and processing local resources like water ice or oxygen extracted from soil minerals. Elon has sent his people to visit my lab several times …

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Liquid Metal Made into Wires That Stretch Eight Times Their Original Length

Researchers from North Carolina State University have created conductive wires that can be stretched up to eight times their original length while still functioning. The wires can be used for everything from headphones to phone chargers, and hold potential for use in electronic textiles. To make the wires, researchers start with a thin tube made …

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Flattened nanotubes are full of potential

Squashed nanotubes may be ripe with new possibilities for scientists, according to a new study by Rice University. Researchers at Rice’s Richard E. Smalley Institute for Nanoscale Science and Technology have come up with a set of facts and figures about carbon nanotubes that appear to collapse during the growth process; they found that these …

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