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Index to Volume 98

Issue: June 2017 365

SSR special issues and advertisers index

Issue: June 2017 365

Contents and Editorial

Issue: March 2017 364

Author: Editor: Geoff Auty


Issue: March 2017 364

Extract: Newton’s Third Law


Issue: March 2017 364

Extract: The truth, the half-truth or perhaps nothing like the truth – a tribute to John Warren (1923–2016)

Science Note: The famous 137-second plant hunt

Issue: March 2017 364

Author: Nicholas Souter

Extract: Set the task for each pupil to collect a single specimen of as many different leaves as possible during 137 seconds.

Two simple methods to enrich the teaching of molecular genetics

Issue: March 2017 364

Author: Stephen Rowcliffe

Extract: A simple string model to demonstrate the importance of DNA gyrase in alleviating the strain due to supercoiling of DNA during replication in prokaryote chromosomes.

Science Note: Intermolecular forces

Issue: March 2017 364

Extract: Many students are unclear about what van der Waals and London forces are if they consult several textbooks. To clarify, van der Waals forces represent the collective term for all types of intermolecular forces, which include London forces. In general, intermolecular forces are forces of attraction between neighbouring molecules. This article outlines the different types.

Science Note: How much gas does a gasholder hold?

Issue: March 2017 364

Author: Peter Borrows

Extract: We are pretty good at giving ideas of scale when the objects are about human size: a finger is about 1 cm wide, an arm-stretch is about 1 m, a Smartie weighs about 1 g, a small apple weighs about 100 g and is attracted to the Earth with a force of about 1 N. It is a bit harder when talking about moles.

Science Note: Visualising energy transformations in electric circuits with infrared cameras

Issue: March 2017 364

Author: Elisabeth Netzell, Fredrik Jeppsson, Jesper Haglund and Konrad J. Schönborn

Extract: Increasingly affordable visualisation technology brings exciting opportunities for making the invisible appear visible. This can support the teaching and learning of many challenging physics concepts. Hand-held infrared (IR) cameras offer real-time instant visual feedback of temperature changes that correspond to energy transfer and transformations.

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