Designing better asteroid explorers

Recent NASA missions to asteroids have gathered important data about the early evolution of our Solar System, planet formation, and how life may have originated on Earth. These missions also provide crucial information to ...

How we 'hear' the shape of a drum

How is it that we can recognise the shape of an object despite only seeing a limited range of wave lengths? Radboud mathematician Walter van Suijlekom explains in a new publication in the journal Communications in Mathematical ...

Hammer-on technique for atomic vibrations in a crystal

Vibrations of atoms in a crystal of the semiconductor gallium arsenide (GaAs) are impulsively shifted to a higher frequency by an optically excited electric current. The related change in the spatial distribution of charge ...

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