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Human brains are not optimised to navigate cities

Pedestrians appear to choose paths that seem to point most directly toward their destination, even if those routes end up being longer, researchers at the Massachusetts Institute of Technology found.

Molecular drone that carries off atoms points way to speedier atomic control | Research

By Ian Randall2021-05-10T08:30:00+01:00 Iron(III) phthalocyanine chloride can be used as a ‘molecular drone,’ one which lands on a surface, bonds to a single atom and flies off with it – leaving a vacancy in its wake – researchers from Italy have demonstrated. The finding, the team say, may open the door to rapid atomic manipulation and fabrication on a relatively large scale. The ability to manipulate the positions of individual atoms and, by extension, vacancies has enabled the creation of novel, atomic-scale devices with myriad potential applications. Proof-of-concept devices made to date, for example, include logic patterns, single atom information storage and atomic arrays with potential for use in quantum computing. All of these examples were produced by directly manipulating atoms using the tip of a scanning probe microscope (SPM). While a ground-breaking approach, this method has certain limitations.

Removing space debris requires action and caution – TechCrunch

Chris Wu Contributor Chris is an Electrical Engineering MS student at Stanford. He enjoys tinkering and contributing to the development of new technologies, from internet satellites to medical devices. Wouter Julien Luc Van Gijseghem Contributor Wouter is an aerospace engineer at Wing. Recently graduated from Stanford, he loves anything that flies. Maurizio Valesani Contributor Maurizio holds a MS in Aerospace Engineering from Polytechnic University of Turin and a MS in Management Science and Engineering from Stanford University. He will soon be starting a traineeship at the European GNSS Agency. Tim Spencer Contributor Tim is a graduate student at Stanford, a technology investor and a big believer in the potential for space to transform society.

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