Materials Science

Crystals of the material hexagonal boron nitride can be etched so that the pattern you draw at the top transforms into a smaller and razor-sharp version at the bottom. These perforations can be used as a shadow mask to draw components and circuits in graphene. This process enables a precision that is impossible with even the best lithographic techniques today. To the right are images of triangular and square holes taken with an electron microscope.
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Image of circuits
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Measuring 12 cms, the object that is to be made invisible acoustically is placed between two acrylic glass panels at the centre of the experiment. The initial acoustic field is produced by the loudspeakers in the outer ring. The 228 control sensors in the central ring record this field and transmit the data to a computer in the next room. Subsequently, 36 control sources in the centre emit a secondary signal that augments the initial field in real-time.
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Image of two cloth masks
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Image of gallium
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image of flexible nanomaterial
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A small crystal of the new material, a synthesis of Niobium and Germanium (NbGe2), is mounted on a device to examine the behavior of the new electron-phonon liquid. The inset shows the atomic arrangement in the material.
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Artistic rendition of a brain made of light
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Person puring a glass of water
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Video Tips for Confident Battery Chemicals and Materials Characterization Testing
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Person working on a laptop
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Image of the International Space Station
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