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Silicon

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  • Microprocessors based on a layer of just three atoms

    Two-dimensional materials, or 2D materials for short, are extremely versatile, although - or often more precisely because - they are made up of just one or a few layers of atoms. Graphene is the best-known 2D material. Molybdenum disulphide (a layer consisting of molybdenum and sulphur atoms that is more

  • Fabrication of active-matrix 3-D pressure sensors

    A recent study, affiliated with UNIST has created a three-dimensional, tactile sensor that could detect wide pressure ranges from human body weight to a finger touch. This new sensor with transparent features is capable of generating an electrical signal based on the sensed touch actions, also, cons more

  • Waterlike polymer to create high-temperature ceramics patented

    Ceramic textiles, improved jet engine blades, 3-D printed ceramics and better batteries may soon become a reality, thanks to a recently patented polymer from a Kansas State University engineer. Using five ingredients -- silicon, boron, carbon, nitrogen and hydrogen -- Gurpreet Singh , Harold O. and more

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Silicon

Silicon is a very abundant and important element. more

Infographics Silicon

The Chemistry of Silly Putty

Silly putty (or science putty, as it’s sometimes referred to) is an odd material. Stretch it slowly and it happily deforms, and can be molded very easily. However, pull it apart with enough force and it’ll snap clean in two. It flows imperceptibly slowly, as if it were a thick liquid, but when rolle more

Group 4 Elements

This latest infographic focuses on the Group 4 (Group 14 in IUPAC nomenclature) elements. One extra fact to add for the curious: although tin has the greatest number of stable isotopes, Xenon trumps it comprehensively if unstable isotopes are also included in the count, with well over 30 possible is more

The Chemical Elements of a Smartphone

There are an isolated few graphics online that look at elements involved in the manufacture of a smartphone – for example, this ‘Periodic Table of iPhones’ – but there’s actually remarkably little easily accessible information out there that details the specific compounds used for specific purposes more

q&more articles Silicon

  • The Best Measurement

    It is now more than 30 years since attempts started to find a way of defining the kilogram based on an atomic constant or a fundamental physical constant. Since then, two methods have advanced sufficiently far to make it likely that there will be a new definition within the coming years, namely the Watt balance ­experiment for determination of Planck‘s constant h and the Avogadro experiment for determining the ­Avogadro Constant NA. more

Definition

Silicon

Silicon Silicon ( or , ) is the chemical element that has the symbol Si and atomic number 14. A tetravalent metalloid , silicon is less reactive than its chemical analog carbon . As the eighth most common element in the universe by mass, sil ... more

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