Looking through glass DVD

By Mike Shipton2008-07-01T00:00:00

Source: Shutterstock

Mike Shipton reviews this DVD focusing on a too often overlooked material

Looking through glass DVD

Alan Leadbetter

Sheffield: Society of Glass Technology 2007 | £5.00: running time approx 34 mins |

Apart from carbon, the structures of giant covalent substances do not feature heavily in school science examinations. Compounds with such structure and bonding are a particular no-go area, presumably because they often contain anionic silicate groups which blur the distinction between covalent and ionic compounds. Glasses are still more troublesome since their particles are not even arranged regularly. With these issues in mind, teachers may not show much interest in educational materials focusing on glass. This would be a mistake, especially in this case.

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