From: MIT TechTV on Fri, Nov 12 2010 12:53 PM

From: MIT TechTV on Fri, Nov 12 2010 12:53 PM

From: MIT TechTV on Fri, Nov 12 2010 12:53 PM

This is the first test drive of Pneu Scooter, an electric kick scooter with 6" pneumatic wheels and a custom rear hub motor. It’s version 1.-1 because, for this test run, it's running on an off-the-shelf brushless DC electric bike controller. In the future, it will have custom synchronous A...

From: MIT TechTV on Fri, Nov 12 2010 12:53 PM

From: MIT TechTV on Wed, Nov 10 2010 12:43 PM

The free fall of a coin and feather are compared, first in a tube full of air and then in a vacuum. With air resistance, the feathers fall more slowly. In a vacuum, the objects fall at the same rate independent of their respective masses.

From: MIT TechTV on Fri, Nov 05 2010 1:34 PM

A double jointed pendulum hangs from a rod. Swinging the pendulum with high energy results in motion that cycles chaotically between normal modes. Swinging it with low energy results in more predictable motion. When viewed under black lights, it is easy to see that the first joint of ...

From: MIT TechTV on Thu, Nov 04 2010 1:34 PM

A cutout of Massachusetts is hung in several orientations and a line is drawn straight downwards. The lines intersect at the center of mass.

From: MIT TechTV on Wed, Nov 03 2010 1:35 PM

This demonstration illustrates the earliest form of steam engine, as described by Hero of Alexandria around 150 B.C. A small amount of water is heated to produce steam, which accelerates out of small tubes. In turn, the steam creates thrust and the engine quickly spins up.

From: MIT TechTV on Tue, Nov 02 2010 1:34 PM

(00:38) The Gertler lab at the Koch Institute is studying migration of neurons and their growth cones, actin-rich structures that guide developing axons and dendrites to their targets. In this video, lab members visualized dorsal root ganglia growth cones by infecting neurons with HSV-tdTomato f...

From: MIT TechTV on Tue, Nov 02 2010 1:34 PM

Here are two of the first test-spins of the custom pneumatic wheel-motor for my latest scooter project. The motor is a three-phase brushless outrunner, designed for about 1600rpm at 33V and a peak torque of about 5ft-lbf. The controller is also custom, a 48V/1kW field-oriented synchrono...

From: MIT TechTV on Tue, Nov 02 2010 1:34 PM

A pendulum swings from a support post and another post is added to interrupt its swing. We desire to know the maximum height at which the pendulum will perform a full loop around the post. The pendulum requires both potential and kinetic energy in order to complete a full loop. Therefo...

From: MIT TechTV on Thu, Oct 28 2010 1:33 PM

Dr. John Holdren ’65 SM ’66 delivers the 2010 Rose Lecture on the Energy / Climate-Change Challenge and the Role of Nuclear Energy in Meeting It.

From: MIT TechTV on Wed, Oct 27 2010 1:33 PM

On October 20, 2010 the MIT@Lawrence students held their first public meeting with city officials and community leaders in the City of Lawrence to present preliminary findings and get feedback. Afterward, they were asked to reflect on their experiences working in the community and with each other.

From: MIT TechTV on Sat, Oct 23 2010 1:33 PM

In a paper published in the Oct 25 issue of the Proceedings of the National Academy of Sciences, a team of neuroscientists led by Institute Professor Ann Graybiel found that untrained monkeys performing a simple visual scanning task gradually developed efficient patterns that allowed them to min...

From: MIT TechTV on Sat, Oct 23 2010 1:33 PM

The song of the zebra finch lasts about 1 second, and consists of multiple syllables whose timing is almost precisely the same from one performance to the next. By studying the brain circuits that control bird song, Michale Fee’s lab has identified a “chain reaction” of brain activity that appea...

From: MIT TechTV on Wed, Oct 20 2010 1:23 PM

In this first lecture of the class, an overview of the course structure is provided, followed by the dual definition of Computational Neuroscience as A) using a computer to study the brain, and B) studying the brain as a computer, then an in depth discussion of this definition.

From: MIT TechTV on Tue, Oct 19 2010 1:23 PM

(Description coming soon)

From: MIT TechTV on Tue, Oct 19 2010 1:22 PM

In this optional lecture we review numerical methods for differential equations.

From: MIT TechTV on Tue, Oct 19 2010 1:22 PM

(Description coming soon)

From: MIT TechTV on Sat, Oct 16 2010 3:14 AM

In this lecture, the students give their project presentations