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How epic solar winds make brilliant polar lights

A summarised view of how the aurora is formed.

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Diamond Brought to Light

A 20 minute video about the Diamond Synchrotron and the engineers who work on getting the Diamond Light Source up and running.

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Misconceptions about the universe

The expanding universe is a complicated place. This video explains how faster galaxies can move faster than light and how we can see light from beyond our observational universe.

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Light waves, visible and invisible

A short TED-Ed video about the electromagnetic spectrum including the wavelengths that you can and can't see.

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Why is glass transparent?

How is it that something so solid like glass lets light pass through. It's all due to the space in between the atoms.

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The brilliance of bioluminescence

A great TED-Ed video about bioluminescence, the ability for natural live to emit light.

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Hits: 514

A Polarizing Discovery About the Big Bang!

Minutephysics looks at how polarised light in the cosmic microwave background (CMB) gave rise to the discovery of gravitational waves.

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Photoelectric Effect

Simple demonstration of the photoelectric effect using different coloured filters to alter the frequency of light reaching a metal plate, and the current changes accordingly.

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Photoelectric Effect - Will electrons be ejected from the metal?

Worked example to find out whether light will cause electrons to be emitted from a metal.

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