1.961 - Lecture 2 – The physics of diffusion
1.961 Life at low Reynolds numbers
Random walkers: a toy model for diffusion
The diffusion coefficient and Einstein's formula
1.961 Life at low Reynolds numbers
Random walkers: a toy model for diffusion
The diffusion coefficient and Einstein's formula
The first of the CEE Distinguished Engineering and Science Speaker Seminar Series, presented Oct. 26, 2011 by Dr. Albert-Laszlo BarabasiCenter for Complex Networks Research Northeastern University Department of Medicine and CCSB Harvard Medical ...
This video shows a laboratory experiment of a scratch test on paraffin wax. For more information on this research performed by Professors Franz-Josef Ulm and Pedro Reis and graduate student Ange-Therese Akono, please visit the CEE website: ...
This is a culture flask being shaken in front of a video camera. The dark whorls are actually light backscattering off elongated microbes locally aligned with the turbulent flow. Video / Marcos, Seymour, Luhar, Durham, Mitchell, Macke and Stocker ...
The strength of a protein-based materials like spider silk lies in the specific geometric configuration of structural proteins, which have small clusters of weak hydrogen bonds that work cooperatively to resist force and dissipate energy. This video shows the failure of a ...
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, elicits attraction among several ...
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 Sutherland and Larry Madin of Woods ...
Presentation given by Carolina Osorio on May 4, 2010
The Historical Evolution, Present State and Future Direction of Water-Quality Management and ModelingSteve Chapra, Civil and Environmental Engineering, Tufts University
Brendan M. Harley, Senior Vice President, Camp Dresser & McKee Inc. "Singapore's Marina Barrage: Design, Evolution and Construction of a Multi-Purpose Urban Reservoir"
Denis R. LeBlanc, U.S. Geological Survey: "Cape Cod's Billion Dollar Ground-Water Cleanup: The Hydrologic Story"
Eugene Z. Stakhiv, U.S. Army Corps of Engineers, "Integrated Water Resources Management in the Midst of Chaos and Caducity: Lessons from Hurricane Katrina"
Peter Rogers of Harvard University
1.961 Life at low Reynolds numbersIntroduction to the class Brownian motion
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 and ...
1.961 Life at low Reynolds numbersSolving the diffusion equation A fundamental property of diffusion: rapid smearing of fine-scale heterogeneities
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 (handouts only)
1.961 Life at low Reynolds numbers Receptors on cell surfaces: how many do you need? Other forms of diffusion Diffusion with drift
1.961 Life at low Reynolds numbersPoiseuille flow The advection-diffusion equation Stretching the mixing zone: enhancing diffusion via shear
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
On May 15, 2013, 3dim earned the grand prize at this year’s MIT $100K Entrepreneurship Competition.
The MIT Glass Lab is administratively co-sponsored by the Materials Processing Center and the Department of Materials Science and Engineering.
Learning the difference between kinetic and static friction.
Jesper Juul offered this lecture on Nov. 28, 2006. Juul is a video game theorist and assistant professor in video game theory and design at the Centre for Computer Game Research Copenhagen, where he also earned his PhD.
In a visit to the MIT campus on May 14, 2013, British Prime Minister David Cameron met with President L. Rafael Reif and Media Lab director Joichi Ito, faculty members and students, and a group of young MIT entrepreneurs.
Speakers: Stephen Van Evera, Elizabeth Wood, Carol Saivetz, Bakyt Beshimov, Peter Krause, Jeanne Guillemin and Silvia Dominguez. Moderator: Richard Samuels
What message is your brain sending?
You can create your own mini flashlight.
Scenes from MIT's campus during the memorial ceremony for Officer Sean Collier on April 24, 2013.
On April 24, 2013 in Briggs Field, thousands of law enforcement officials joined the MIT community in honoring fallen MIT Police Officer Sean Collier.
After an extensive renovation project, the Barker Library reading room has reopened to reveal the grandeur of the restored oculus atop the Great Dome, and the beauty of the rotunda’s original architecture.
Natural selection at work.
An interesting feature on the MIT Professor Emeritus of Physics by LaInformacion.com.
An undergraduate helps MIT's Brain and Cognitive Science Department find a cure for Huntington's disease.
An MIT undergraduate models a new class of material: the photonic crystal.
Used with permission from "Chronicle" (WCVB-Boston).
MIT Sloan Professor of Management Thomas Kochan discusses how financial analysts have pressured businesses to perform financially.
What makes a glow stick glow?
Alberto Cavallo, the Cecil and Ida Green Career Development Assistant Professor of Applied Economics at the MIT Sloan School of Management, discusses how Argentina has lied about its inflation rate.
A small amount of water is placed inside an airtight copper tube, with the end sealed by a rubber stopper. The tube is heated using a blowtorch, causing the water inside to boil. As the water changes from a liquid to a gas the pressure inside the tube increases. Eventually the pressure blows ...
15.467 Class from 05-15-2013
15.466 Class from 05-17-2013
15.467 Class from 05-17-2013
15.466 Class from 05-15-2013
Presentation by Ken Gagne, web producer at MIT Medical, on the basics of podcasting. This presentation was hosted by the Social Media Working Group and Communication Production Services in May 2013.
15.467 Class from 05-13-2013
15.466 Class from 05-13-2013
15.467 Class from 05-08-2013
15.466 Class from 05-08-2013
15.467 Class from 05-06-2013
15.466 Class from 05-06-2013
15.467 Class from 05-01-2013
15.466 Class from 05-01-2013
15.467 Class from 04-29-2013
15.466 Class from 04-29-2013
15.466 Class from 04-17-2013
15.466 Class from 04-22-2013
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