All Materials articles – Page 13
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FeaturePaper conservation
History is written on paper and chemistry is at the heart of paper conservation
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ResourceOn This Day - Dec 07 : First thermosetting plastic
“Bakelite” (polyoxybenzylmethylenglycolan- hydride) takes its name from its inventor, the Belgian chemist Leo Hendrik Baekeland.
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ResourceOn This Day – Jul 01 : Charles Goodyear died
He was the inventor of vulcanized rubber, a baked mixture of rubber and sulfur (S) that creates a strengthened compound. The process reinvented rubber as a useful substance that could withstand the variations of day-to-day temperatures. Rubber alone freezes in winter and melts in summer.
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ResourceOn This Day - May 08 : Thomas Hancock was born
He founded the rubber industry, inventing a machine that could work rubber scraps into blocks. Hancock also worked with Charles Macintosh, Scottish chemist and inventor of a waterproof rubber-impregnated fabric.
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ResourceOn This Day - Feb 16 : Man-made diamonds produced
The small diamonds were produced in Stockholm by the ASEA, one of Sweden’s major electrical manufacturing companies. The ASEA had employed a team of five scientists and engineers to work on the top-secret diamond-making project QUINTUS.
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ResourceOn This Day - Feb 12 : Wentorf made borazon
Borazon, a material hard enough to scratch diamonds, is created by heating equal quantities of boron and nitrogen at temperatures greater than 1,800 °C. It is used to manufacture high-precision steel and to sharpen high-speed steel tools.
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FeatureThermoelectric materials: efficiencies found in nanocomposites
Thermoelectric materials can be assembled into mechanical structures which can transform heat to electrical energy. They can be used for heat harvesting and refrigeration.
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Resource28 chemistry puzzles for 11-14 years
Try these sudoku-style chemistry puzzles for 11–14 year olds to reinforce your students’ understanding of key ideas, featuring printable worksheets and answers.
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FeatureProtecting chemical innovations
Researchers can protect their chemical inventions from competitors with patents but this is a long and complex process which needs expert guidance
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FeatureTeaching chemistry in 3D using crystal structure data
Fundamental topics such as stereochemistry are taught in 2 or 2.5D - the Cambridge Structural Database provides an interactive 3D solution
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The MoleRare earth elements
They sit at the bottom of the periodic table like they don’t belong, but these elements are vital ingredients in many gadgets and ‘green’ technologies. Tom Westgate finds out what makes them so versatile and valuable.
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The MoleNanoparticle Protection
New inorganic nanoparticles that simultaneously restore and preserve ancient artworks have been developed by researchers in Italy
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The MoleClay Plastic Fantastic
Nanotechnology is being applied to plastics to make conductive plastics, scratch resistant plastics and lighter plastics. Now clay could make plastics stronger and more flame retardant say Scientists at the State University of New York, US
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FeatureInvestigating Crystal Structures
Sixthformers are introduced to Madelung constants as a way of investigating ionic crystal structures
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OpinionColloid chemistry at the coffee shop
Peter Borrows takes us on another excursion into local chemistry
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FeatureCatalysts for a green industry
Chemists are working to develop new, longer-lasting catalysts to ensure industrial processes are cleaner, greener and more efficient