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Happy Halloween from the Lab

October 30th, 2009 3ric Johanson 2 comments

We decided to play around with our phantom V12 highspeed camera while testing subfreezing ballistic carving methodologies.

This poor pumpkin was dropped from a 20′ person lift, after being soaked in liquid NO2 for half an hour.. one very chilly pumpkin.   As the video shows, not just the skin of the pumpkin was frozen.  The entire core of the pumpkin was frozen solid:  around 77 degrees Kelvin (-321 degrees F).
We decided to play around with our Phantom V12 highspeed camera while testing subfreezing ballistic carving methodologies.

Quarter Shrinker

June 11th, 2009 3ric Johanson 65 comments

The Quarter Shrinker was constructed by Rob Flickenger at Hackerbot Labs.

Quarter Shrinking has three steps.
1. make a coil of wire,
2. stick quarter inside it,
3. discharge an enormous amount of electric current through the coil.

But what does that actually do, other than making a big boom? … (click for more) Read more…