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  • How safe is graphene? - Effects on people and the environment
    Graphene is considered one of the most interesting and versatile materials of our time. The application possibilities inspire both research and industry. But are products containing graphene also safe
  • Hand-knitted Molecules
    Molecules are usually formed in reaction vessels or laboratory flasks. An Empa research team has now succeeded in producing molecules between two microscopically small, movable gold tips - in a sense
  • Rare metals from e-waste
    This year, beautifully wrapped laptops, mobile phones or even new TV sets lay under numerous Christmas trees. They are enthusiastically put into use - and the old electronic devices are disposed of. T

  • Novel solid sodium battery with the potential to store extra energy
    Phones, laptops, electric cars - batteries are everywhere. And to meet the expectations of today's consumers, these batteries are increasingly lighter, more powerful and designed to last longer.
  • Low-cost battery from waste graphite
    Lithium ion batteries are flammable and the price of the raw material is rising. Are there alternatives? Yes: Empa and ETH Zürich researchers have discovered promising approaches as to how we mig
  • Nanoparticles that stick wounds together
    In spite of medical advances, wound-related complications arising after operations can still be life-threatening. In order to avoid these complications in the future, a new nanoparticle-based tissue g
  • Biosensor for heavy metals
    A team of Empa scientists has developed a biosensor which allows them to detect elevated concentrations of copper in a simple, quick and economic way. Copper, like other heavy metals is problematic in
  • How to produce microlenses from dyes
    Researchers are on the lookout for rapid, reliable and affordable switches for the opto-electronics of the future. An Empa team now presents a potential solution: dye droplets measuring just a few sub
  • Textiles made from synthetic fibers release microfibers
    Even before the UN Ocean Conference in early June, we already knew about the disastrous ways in which plastic affects the world's oceans. Billions of pieces of plastic are floating in the oceans.
  • Solid-state electrolyte that is able to compete with liquid electrolytes
    Liquid lithium-ion rechargeable batteries are dangerous. They can leak or ignite rapidly if they become overheated. So-called solid-state lithium-ion batteries are a way of reducing these risks. Howev
  • Printed 3D structures based on cellulose nanocrystals
    Empa researchers have succeeded in developing an environmentally friendly ink for 3D printing based on cellulose nanocrystals. This technology can be used to fabricate microstructures with outstanding
  • Sodium and magnesium to replace lithium in batteries
    Empa scientists supported by the Swiss National Science Foundation (SNSF) have produced novel electrolytes for rechargeable sodium and magnesium batteries. The research group's objective was to d
  • Measuring entropy
    A scanning tunneling microscope (STM), used to study changes in the shape of a single molecule at the atomic scale, impacts the ability of that molecule to make these changes; the entropy of the molec
  • Creating the tiniest structures on surfaces
    Nanotechnology is regarded as the key technology of the 21st century, delivering the fundamental methods, which allow objects just a few hundred nanometers in size to be produced in any required shape

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