At 08:11 Prof. Al-Khalili describes Brownian motion as "tiny grains of pollen danc[ing] in water". Robert Brown's 1827 observation was of tiny particles (called granules) moving inside fluid-filled spaces (vacuoles) within pollen grains; the grains themselves are too big to exhibit visible Brownian motion.
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What is the broadcast (satellite or terrestrial TV) release date of The Clash of the Titans (2007) in Australia?
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