All numbers are not equal
An introduction to the various types of numbers which are recognised as important.
More details | Watch nowBattery Research
It is hard to believe there was a time before batteries! Batteries and supercapacitors are at the heart of electric vehicles, portable devices (watches, laptops, mobile phones) and renewable resources like wind and solar, for energy storage. Bette....
More details | Watch nowCentripetal force – how do we measure it?
A short video showing a simple classroom method of checking the way in which this force is related to mass, speed and radius.
More details | Watch nowChemical Equations – and how we construct them
An introduction into the writing down of fully balanced chemical equations. The process is explained starting with word equations, finding all the relevant formulas and then working with some useful rules for finding the correct coefficients in the b....
More details | Watch nowCrater Formation in Sand
A description and demonstration of the way in which craters formed by dropping objects into sand can be linked to some elementary physics
More details | Watch nowDo Touch Ep 1 | Preserving Plant Material
Introduction to systematics & DIY plant preservation techniques. In this first webisode of Do Touch, Daniel Domínguez invites young scientist and collectors to Label, love, & learn about the world. The aim of this seri....
More details | Watch nowEstimation – Educated Guesswork?
How can we make sensible estimates of very large numbers? It is often very important to know the size of an unknown number, at least to within a factor of ten.
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How can we represent fractions in the simplest way? Equivalence of decimal and common fractions.
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An approach to adding and subtracting fractions, using an understanding of the processes involved.
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