38 results found for general-science

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00:16:00

Discovery and Creativity

by Harry Kroto
Discovery and Creativity
for 14-19 and upwards,
Lectures | 14-19 and upwards | 16 years ago | 1841 views
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Discovery of atoms and molecules in interstellar space using spectroscopy and how it expands our ideas of our Earth's make-up.  Discovery of carbon-60 and creative ideas for the future.

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00:13:00

Estimation – Educated Guesswork?

by Colin Byfleet
Estimation – Educated Guesswork?
for 14-19 and upwards,
Teaching modules | 14-19 and upwards | 16 years ago | 2301 views
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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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