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The Bungee Ballista - a Homemade Siege Weapon
BornThree
843 views
The Bungee Ballista is a device to throw things really hard. It is loosely based on the Greek/Roman Ballista siege weapon. My son and I made one, with materials mostly p...
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The Fall of Nemesis
BornThree
122 views
Nemesis is a nasty pile of shale which has been threatening to fall on us for a very long time. This fall I have been on a mission to bring it down safely. After a few ...
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Surface Tension between Mineral Oil and Water with Some Soap in the Water
BornThree
1,025 views
This is a tank built for tsunami simulation. This a two fluid system with blue-colored water on the bottom, and clear mineral oil on the top. The waves travel much more s...
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Two Fluid Surface Tension demonstration
BornThree
700 views
As part of an experiment to simulate tsunamis, I created a plexiglass tank and put blue-colored water and clear mineral oil on top. The waves formed on the boundary betwee...
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Tsunami Simulator - Demonstrating Short Non-Tsunami Waves
BornThree
7,563 views
A Tsunami is a shallow-water wave. This means that the distance from one wave peak to the next is longer than the depth of the water. So if you have a wave that is so spr...
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Tsunami Simulation - Single Fluid = fast moving wave
BornThree
3,087 views
This is a test of a tsunami simulator tank. A piece of metal is tipped over in the deep part of the tank, causing a wave which is much longer than the depth of the water....
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tsunami 2fluid
BornThree
1,570 views
Waves in a two-fluid tank intended for simulation of Tsunamis. It isn't instantly obvious, but there are two layers of fluid here. The bottom is water with blue food co...
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Keep On Truckin'
BornThree
648 views
Keep On Truckin' is a one-page comic by Robert Crumb.
(While visiting Mount Krippenstein in Austria)
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Jack Stokes LLE Symposium presentation on sensorless commutation in brushless DC motors
BornThree
239 views
Jack Stokes LLE Symposium Presentation on Sensorless Commutation in Brushless DC Motors
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Nick's LLE Symposium Presentation on Line Scan Cameras
BornThree
333 views
A presentation discussing the use of line scan cameras to monitor motion of the target.
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