Molecular Fingerprinting and Symmetry
Brian Gold presents on the geometry, mathematics, and applications of group theory in chemical fingerprinting.
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 nowGoing round in circles – how do we do it?
A presentation showing both the ideas about centripetal force and a simple classroom method of checking the way in which this force is related to mass, speed and radius.
More details | Watch nowMeasuring the speed of pulses
A short clip showing the experimental measurement of the speed of electrical pulses in a cable - a large fraction of the speed of light.
More details | Watch nowMeasuring the speed of sound
A presentation showing how to measure the speed of sound over a short distance on a laboratory table.
More details | Watch nowMeasuring the speed of sound – experimental details
A short clip showing the measurement of the speed of sound over short distances.
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 nowOxidation Numbers and Equations
The concept of oxidation and reduction is explained and generalised using oxidation numbers with ionic and covalent examples. Several equations are balanced, using the oxidation number method to fix various atomic ratios.
More details | Watch nowAll about conic sections
This is a fully interactive program allowing many useful ways of investigating conic sections both visually and algebraically. It comes with a full set of explanatory notes for both teacher and pupil.
More details | Watch nowNigeria
A short presentation discussing the economic disadvantages that Nigerians face and one possible method of attempting to alleviate them. Thomas Rush suggests the use of education to help promote an improved quality of life for the citizens outside of ....
More details | Watch nowUsing Algae to Help Solve the Energy Problem
Review of world energy problems and their possible solutions; A novel use of algae to produce bio-diesel.
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