Dr Karl Podcast

Join Dr Karl Kruszelnicki, Lucy Smith and their scientific guests, with a bunch of curious triple j listeners for a weekly injection of science, myth-bashing and answers!

https://www.abc.net.au/triplej/programs/dr-karl-podcast/

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Unmoving escalators, circumnavigating ash clouds and orange oranges


Why does it feel unusual when walking on a stationary escalator? Plus: why did the recent Chilean volcano ash cloud travel in the opposite direction to the prevailing winds? And why are oranges orange?


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 July 7, 2011  37m