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Title          
Comsol Heat Transfer 
   
 
Abstract
 
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Added By - A Ghosh
Subject - Aeronautics and Astronautics
Document Type - Demonstration
Video Duration - moderate
 
 
 

 

Title          
Rocket Testing 
   
 
Abstract
 
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Added By - A Ghosh
Subject - Aeronautics and Astronautics
Document Type - Demonstration
Video Duration - moderate
 
 
 

 

Title          
Renal Biopsy 
   
 
Abstract
 
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Added By - A Ghosh
Subject - Medical Sciences
Document Type - Demonstration
Video Duration - moderate
 
 
 

 

Title          
Rocket Testing 
   
 
Abstract
 
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Added By - A Ghosh
Subject - Aeronautics and Astronautics
Document Type - Demonstration
Video Duration - moderate
 
 
 

 

Title          
Superhydrophobic Surface Technology 
   
 
Abstract
This technology can be used to create icing resistant surfaces on airplane wings, toilets that stay clean by themselves, zero rust surfaces and many more. It is a superhydrophobic material developed by Prof Chunlei Guo, professor of optics at University of Rochester and his team. Using laser to etch an unique pattern of surface structures at micro and nano scales the surface of materials is rendered hydrophobic. Unlike the conventional approach of chemical coating to make surfaces hydrophobic this approach gives much stronger hydrophobia and doesn\'t come with the risk of peeling off. The materials Guo has created are much more slippery than Teflon. The article, “Multifunctional surfaces produced by femtosecond laser pulses,” was published in the Journal of Applied Physics on January 20, 2015 (DOI: 10.1063/1.4905616). It can be accessed at: http://scitation.aip.org/content/aip/journal/jap/117/3/10.1063/1.4905616
 
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Added By - A Ghosh
Subject - Material Science and Engineering
Document Type - Demonstration
Video Duration - moderate
 
 
 

 

Title          
Underwater Explosion Phenomena 
   
 
Abstract
An underwater explosion (also known as an UNDEX) is a chemical or nuclear explosion that occurs under the surface of a body of water.The effects of an underwater explosion depend on several things, including distance from the explosion, the energy of the explosion, the depth of the explosion, and the depth of the water. Underwater explosions are categorized by the depth of the explosion. Shallow underwater explosions are those where a crater formed at the water's surface is large in comparison with the depth of the explosion. Deep underwater explosions are those where the crater is small in comparison with the depth of the explosion, or nonexistent. The overall effect of an underwater explosion depends on depth, the size and nature of the explosive charge, and the presence, composition and distance of reflecting surfaces such as the seabed, surface, thermoclines, etc. This phenomenon has been extensively used in antiship warhead design since an underwater explosion (particularly one underneath a hull) can produce greater damage than an above-surface one of the same explosive size. Initial damage to a target will be caused by the first shockwave; this damage will be amplified by the subsequent physical movement of water and by the ...
 
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Added By - A Ghosh
Subject - Physics
Document Type - Demonstration
Video Duration - moderate
 
 
 

 

Title          
GRASP Lab UPenn 
   
 
Abstract
This video premiered at the TED2012 Conference in Long Beach, California on February 29, 2012. Deputy Dean for Education and GRASP lab member Vijay Kumar presented some of this groundbreaking work at the TED2012 conference, an international gathering of people and ideas from technology, entertainment, and design. Flying robot quadrotors perform the James Bond Theme by playing various instruments including the keyboard, drums and maracas, a cymbal, and the debut of an adapted guitar built from a couch frame. The quadrotors play this "couch guitar" by flying over guitar strings stretched across a couch frame; plucking the strings with a stiff wire attached to the base of the quadrotor. A special microphone attached to the frame records the notes made by the "couch guitar". These flying quadrotors are completely autonomous, meaning humans are not controlling them; rather they are controlled by a computer programed with instructions to play the instrume...
 
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Added By - A Ghosh
Subject - Computer Science
Document Type - Demonstration
Video Duration - moderate
 
 
 

 

Title          
3D Printing from MIT 
   
 
Abstract
In this video, we show how MIT research continues to push the boundaries of the burgeoning technology of 3-D printing. The following excerpt is from the MIT news office webpage at http://web.mit.edu/newsoffice/2011/3d-printing-0914.html "The initial motivation was to produce models for visualization — for architects and others — and help streamline the development of new products, such as medical devices. Cima explains, “The slow step in product development was prototyping. We wanted to be able to rapidly prototype surgical tools, and get them into surgeons’ hands to get feedback.” 3DP technology involves building up a shape gradually, one thin layer at a time. The device uses a “stage” — a metal platform mounted on a piston — that’s raised or lowered by a tiny increment at a time. A layer of powder is spread across this platform, and then a print head similar to those used in inkjet printers deposits a binder liquid onto the powder, binding it together. Then, the platform is lowered infinitesimally, another thin layer of powder is applied on top of the last, and the next layer of binder is deposited."
 
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Added By - A Ghosh
Subject - Mechanical Engineering
Document Type - Demonstration
Video Duration - moderate
 
 
 

 

Title          
NASA and Caltech Test Steep-Terrain Rover  
   
 
Abstract

Reprinted from JPL News. For the original article and video, click here

Engineers from NASA's Jet Propulsion Laboratory and students at the California Institute of Technology have designed and tested a versatile, low-mass robot that can rappel off cliffs, travel nimbly over steep and rocky terrain, and explore deep craters.

This prototype rover, called Axel, might help future robotic spacecraft better explore and investigate foreign worlds such as Mars. On Earth, Axel might assist in search-and-rescue operations.

A Web video showing an Axel test-run at the JPL Mars yard is online at:
www.jpl.nasa.gov/video/index.cfm?id=806 .

"Axel extends our ability to...

 
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Added By - autocrawler
Subject - Robotics and Artificial Intelligenc...
Document Type - Demonstration
Video Duration - moderate
 
 
 

 

Title          
How Airplanes Fly 
   
 
Abstract

The simple physics of aerodynamically generated lift and drag and other forces that enable an aircraft to fly is discussed. A fluid flowing past the surface of a body exerts a surface force on it. Lift is defined to be the component of this force that is perpendicular to the oncoming flow direction.It contrasts with the drag force, which is defined to be the component of the surface force parallel to the flow direction. If the fluid is air, the force is called an aerodynamic force. An

 
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Added By - autocrawler
Subject - Aeronautics and Astronautics
Document Type - Demonstration
Video Duration - 00:18:29
 
 
 

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