Mapping the moon for Apollo

At an International Astronomical Union meeting in 1955, noted astronomer Gerard Kuiper asked for suggestions and collaborators on a project to make a map of the moon. At the time, the best lunar atlases had hand-drawn images, ...

Muscle-like material expands and contracts in response to light

Just as controlled-release medications slowly dole out their cargo after they experience a pH change in the body, implanted "artificial muscles" could someday flex and relax in response to light illuminating the skin. In ...

Research rethinks tutorial teaching

Professors and graduate students are at opposite ends of the university hierarchy in terms of experience, qualifications and pay. But at many universities, both do the same job: they teach tutorials offered in parallel with ...

Navigating the path to a PhD

For many college students with chemistry-related majors, the next step in their career path is not always clear. Should they go to graduate school? If so, how does one choose a research program and advisor? What if something ...

Magnon spin currents can be controlled via spin valve structure

In the emerging field of magnon spintronics, researchers seek to transport and process information by means of so-called magnon spin currents. In contrast to electrical currents, on which todays information technology is ...

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