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A huge crystal of calcite is used to demonstrate birefringence, a side-effect of light's refraction through certain materials.
Posted 2 years ago by boyt in category: science   Comments (0)


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Hamilton Parks in Singapore
Posted 2 years ago by boyt in category: wtf   Comments (3)


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The size of the fire doubles every 30 seconds
Posted 2 years ago by boyt in category: interesting   Comments (3)



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Posted 2 years ago by boyt in category: impressive   Comments (0)


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Posted 2 years ago by boyt in category: music   Comments (1)