Added 4 years ago | 00:00:45 | 12681 views
Marine microbes — though invisible to the naked eye — perform functions that are vital for the health of the ocean. With no vision or hearing, they navigate their environment by following chemical signals. One of these chemicals, DMSP, e...
Added 4 years ago | 00:01:17 | 9618 views
Energy-efficient salps swim and forage. To find out more, read a news release at http://cee.mit.edu/news/releases/2010/salp . Video courtesy of Roman Stocker of the MIT Department of Civil and Environmental Engineering and Kelly Rakow Su...
Added over 6 years ago | 01:25:00 | 24965 views
1.961 Life at low Reynolds numbersDiffusion-limited uptake: nutrient flux to a sphere When does nutrient uptake occur only by diffusion: The Peclet number Diffusion vs. locomotion: how do you escape from your boundary layer? Diffusion ...
Added over 6 years ago | 01:26:00 | 17330 views
1.961 Life at low Reynolds numbersThe capillary assay: testing what microorganisms like Diffusion in a pipe Insect tracheae: limits to respiration Diffusion of momentum: an analogy The porosity of eggs and the gas exchange in leaves (ha...
Added over 6 years ago | 01:26:00 | 25282 views
1.961 Life at low Reynolds numbersBrownian rotational diffusion A bacterial random walk: E. coli’s run-and-tumble swimming Other bacterial swimming modes Brownian constraints on swimming The distribution of tumbling angles
Added over 6 years ago | 01:28:00 | 15142 views
1.961 Life at low Reynolds numbersMany taxis: chemo-, photo-, pH-, magneto-, rheo-, geo-, aero-, thermo-, gyro-taxis. A computer model of chemotaxis: a sensing random walker with memory Deriving an advection-diffusion equation for bact...
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