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Petter Bøckman talks about the differences in biodiversity from the tropics to the poles. Visit the museum at nhm.uio.no This is a ...

VR180 Light rays refracting through curved surface focuses the light.

VR180 Total Internal Reflection Plastic and fiber light guides.

VR180 White light dispersion through prism.

The emu is the second-largest living bird by height, after its ratite relative, the ostrich. It is endemic to Australia where it is the ...