#### All 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.

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An introduction to the various types of numbers which are recognised as important.

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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 now#### Centripetal 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.

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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....

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A description and demonstration of the way in which craters formed by dropping objects into sand can be linked to some elementary physics

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**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....

#### Estimation – 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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With the aid of Prof. Sir Harry Kroto, Dr Peter Wothers demonstrates that both Diamond and Graphite are indeed made of Carbon.

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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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Address for GEOSET TECHNICAL INFO www.geoset.fsu.edu/GEOSET_TECH/index.html

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Advert for the new 'GEOSET Studios' based in Dirac Library at Florida State University. The facility is open to all students and staff, so come in and broadcast your inspiration!

More details | Watch now#### Going 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 now#### Measuring 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.

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A presentation showing how to measure the speed of sound over a short distance on a laboratory table.

More details | Watch now#### Measuring the speed of sound – experimental details

A short clip showing the measurement of the speed of sound over short distances.

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