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Title          
How to upload video on researchusa.org 
   
 
Abstract    

This video shows how to upload videos on researchusa.org.

An step by step instruction sheet is available here. 

While anyone can view and use most of the information contained in the portal, only registered members can upload videos. Registration is free and easy and can be done by filling in a form available here. A registered user can log in to the portal with his login and password and click the UPLOAD button located at the top right hand corner of the portal or click on the 'Upload Video' link just below the search field. An upload form appears where a few fields are mandatory and a few are optional. While most video formats are allowed, sometimes there are codec issues because of which a file, although uploaded, will not be playable. In some of these cases, file size shows as 0KB and runtime shows as 0:00 secs. In such cases, the user has to use some program (one is linked on the upload page of our portal to convert a file into flv and can be found  

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Added By - researchusa
Subject - Softwares and Programming Languages
Document Type - Tutorial
Video Duration - 00:01:46
 
 
 

 

Title          
Walter Lewin Makes a Battery out of Cans and ... 
   
 
Abstract    
http://www.FreeScienceLectures.comThe best physics lecturer Walter Lewin makes another wonderful physics demonstration on making a battery out of cans and water.
 
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Added By - scienceforum
Subject - Physics
Document Type -
Video Duration - 00:06:17
 
 
 

 

Title          
Nanotechnology Takes Off - KQED QUEST 
   
 
Abstract    

From Lawrence Berkeley National Labs to Silicon Valley, researchers are manipulating particles at the atomic level, ushering in potential cures for cancer, clothes that don't stain, and solar panels as thick as a sheet of paper. http://www.kqed.org/quest

About KQED :

KQED is a public broadcasting company based in San Francisco, California. On May 1, 2006, KQED, Inc. and the KTEH Foundation merged to form Northern California Public Broadcasting.[1] The KQED assets including its

 
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Added By - 123456
Subject - Nanoscience and Nanotechnology
Document Type - Documentary
Video Duration - 00:10:28
 
 
 

 

Title          
Post-copulatory sexual selection and sexual c... 
   
 
Abstract    
Male pregnancy in seahorses, pipefishes and sea dragons (family Syngnathidae) represents a striking reproductive adaptation that has shaped the evolution of behaviour and morphology in this group of fishes1. In many syngnathid species, males brood their offspring in a specialized pouch, which presumably evolved to facilitate male parental care5, 6. However, an unexplored possibility is that brood pouch evolution was partly shaped by parent–offspring or sexual conflict, processes that would result in trade-offs between current and future pregnancies. Here we report a controlled breeding experiment using the sexually dimorphic Gulf pipefish, Syngnathus scovelli, to test for post-copulatory sexual selection within broods and for trade-offs between successive male pregnancies as functions of female attractiveness. Offspring survivorship within a pregnancy was affected by the size of a male’s mate, the number of eggs transferred and the male’s sexual responsiveness. Significantly, we also found that embryo survivorship in a current pregnancy was negatively related to survivorship in the prior pregnancy, clearly demonstrating fitness trade-offs between broods. Overall, our data indicate that post-copulatory sexual selection and sexual c...
 
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Added By - autocrawler
Subject - Biology
Document Type - Journal Paper Discussion
Video Duration - moderate
 
 
 

 

Title          
Influence of a Streamwise Pressure Gradient o... 
   
 
Abstract    

In this video, Kiran Dellimore gives a broad overview of his research paper entitled  'Influence of a Streamwise Pressure Gradient on Film-Cooling Effectiveness' published in the JOURNAL OF THERMOPHYSICS AND HEAT TRANSFER,Vol. 23, No. 1, January-March 2009. His co-authors are Carlos Cruz, Andre W. Marshall, and Christopher P. Cadou all from the University of Maryland, College Park, Maryland 20742.

The paper may be accessed using the following DOI: 10.2514/1.35717

Film cooling is widely used in conventional gas turbine and rocket engines to minimize thermal loading of engine structures and to manage heat transfer between hot, reacting gases and cooler structural components. Previous experimental work has shown that streamwise pressure gradients strongly influence the performance of the film.This paper extends semi-empirical modeling ideas for wall-jet film cooling to include the effects of adverse and favorable pressure gradients. The extended model shows that a pressure gradient’s effect on cooling performance depends on whether the velocity of the film is greater than the core flow (a wall-jet...

 
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Added By - kdellimo
Subject - Aeronautics and Astronautics
Document Type - Journal Paper Discussion
Video Duration - 00:05:20
 
 
 

 

Title          
How to Design a Boat Hull in SolidWorks (Free... 
   
 
Abstract    
http://www.CADjunky.com This Demonstration exhibits the New Free From Feature in SolidWorks 3D CAD Software. Mark Biasotti, Product Manager at SolidWorks, creates a Boat Hull from a sketch drawing using the SolidWorks Sketch Picture Feature.
 
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Added By - matlabuser
Subject - Softwares and Programming Languages
Document Type - Demonstration
Video Duration - 00:08:30
 
 
 

 

Title          
Lamina Flow Stirling Engine 
   
 
Abstract    

This amazingly simple engine runs at 700rpm heated only by a small candle.

Thermoacoustic hot air engines (Sonic heat pump and refrigeration or thermoacoustic heat pump and refrigeration) of which nearly all are thermoacoustic stirling engines is a technology that uses high-amplitude sound waves in a pressurized gas to pump heat from one place to another - or uses a heat temperature difference to induce sound, which can be converted to electricity with high efficiency, with a (piezoelectric) loudspeaker.

This type of heat pump or refrigerator has no

 
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Added By - quantum
Subject - Energy
Document Type - Demonstration
Video Duration - 00:01:00
 
 
 

 

Title          
Smoke flow visualization over an Airfoil 
   
 
Abstract    

In general, flow visualization is an experimental means of examining the flow pattern around a body or over its surface. The flow is "visualized" by introducing dye, smoke or pigment to the flow in the area under investigation. The primary advantage of such a method is the ability to provide a description of a flow over a model without complicated data reduction and analysis.

(Detalis taken from Department of Aerospace and Ocean Engineering,Virginia Polytechnic Institute and State University, Blacksburg, VA)

 
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Added By - justin
Subject - Aeronautics and Astronautics
Document Type - Experiments
Video Duration - 00:00:30
 
 
 

 

Title          
Low-Frequency AM Modulation Simulation with L... 
   
 
Abstract    
This brief demo shows how to use graphical programming in National Instruments LabVIEW to quickly build a simple simulation showing low-frequency AM modulation.
 
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Added By - matlabuser
Subject - Softwares and Programming Languages
Document Type - Demonstration
Video Duration - 00:04:46
 
 
 

 

Title          
Tutorial on CFD Geom (Better Resolution) 
   
 
Abstract    
A simple demo of how to use CFD Geom to create a rectangular channel for flow solving. A small amount of geometric and symmetric stretch is used in z direction.
 
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Added By - A Ghosh
Subject - Softwares and Programming Languages
Document Type - Demonstration
Video Duration - 00:10:01
 
 
 

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