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Looking at romantically faded monochrome daguerreotypes, you'd be forgiven if "plasmonics" isn't the first term that leaps to mind. But as researchers at the University of New Mexico (UNM) and the Metropolitan Museum of Art (The Met) in New York show, various optical properties such as the angle-dependent colour, "solarization" and warmer hues from gilding result from surface plasmon resonances. The nanoparticles used in daguerreotypes are also common in multifunctional materials science. You can hear where the future lies in multifunctional materials from cyborg devices to zero carbon transport in our webinar with the board of Multifunctional Materials, which is available to listen to again on demand.

Anna Demming, editor (Materials), Physics World

RESEARCH UPDATES

Materials | Research update Graphene and nanotube mesh filters salt from water Centimetre-sized membrane avoids problems associated with material defects Nanomaterials, Nanophotonics | Research update Daguerreotypes reveal their plasmonic secrets Nanotechnology from the nineteenth century could help in the development of plasmonic colour printing technologies of the future Advanced materials, Materials | Research update Sounding out Weyl fermions Researchers have predicted an entirely new heat transport mechanism in Weyl semimetals Advanced materials, Materials | Research update Tunnel barrier disappears in a topological superconducting state First ever observations of Klein tunnelling in the form of perfect Andreev reflection could help in the development of a new family of spintronic and superconducting devices

EXPLORE MORE

Materials | Blog Multifunctional materials bring the future under control Researchers at the forefront of a range of sectors chart the increasing potential of multifunctional materials to tackle challenges from healthcare and sustainability to robotics Materials for energy, Solar cells | Interview Emerging photovoltaic technology efficiencies line up The first ever efficiency table for emerging technologies goes live for photovoltaic researchers Materials, Optics and photonics | Video Art and science light up "Late Light" brought together 15 scientists and artists working with light – we went to London to see the results Materials | Webinar Grand challenges of multifunctional materials Register now

JOBS FROM BRIGHTRECRUITS Postdoc: Development of a Scanning Diamond NV Center Magnetometer Probe Japan Postdoc in Spintronics (Interaction Between Spin Waves and Heat) Japan

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