Samples with Rotatable Images (1485)

These are samples that have QuickTimeVR 3D and JavaScript stereoscopic rotatable images associated with one or more samples. You can download the latest version of QuickTime for Macintosh or Windows from http://www.apple.com/quicktime/download. To make these files I first used a "VR Micro Studio", which consisted of an up-side-down panorama head, a three-axis adjustable tripod mount, and a 1000W halogen light. The camera was covered with tinfoil to keep it from burning up under the hot light. After making about 130 3D images (almost 10,000 individual photographs) I got a fiber optic illumination system and my studio looked like this. It was much more flexible, and doesn't get hot at all. Light really is the key to photographing small things: You need a lot of it close in. Then after another 50 or so I finally got an automatic turntable. Commercial stepper-motor systems are available, but they are very expensive and I've found they all vibrate, which disturbs delicate arrangements. I instead use a cheap surplus turntable with a 5 revolution per hour timing motor, combined with a time lapse control set to take a picture every 10 seconds. That works out to 72 images in one 12-minute revolution. If you do the math, the motion blur is less than one pixel even at a 1/15 second exposure, so a stepper motor that starts and stops is really not necessary. That was good, but in preparing for a Discovery Channel film project, I needed to upgrade to 360 steps instead of 72, and I wanted to be able to handle all sizes from nearly microscopic to a couple hundred pounds. The solution was a pair of custom-machined (by me, of course) turntables, cast iron mounts and a slate base for everything (because of vibrations, which are a big problem for samples less than about 5mm across). In late 2004 the studio looks like this.

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Text and images Copyright (c) 2010 by Theodore W. Gray.
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Uranium
Uranium Depleted uranium for sale
3D3D
Depleted uranium for sale.
Source: United Nuclear
Contributor: United Nuclear
Acquired: 11 April, 2005
Text Updated: 19 May, 2007
Price: Donated
Size: 0.75"
Purity: 99.9%
Uranium
Uranium Stein
3D3D
Stein.
Source: eBay seller doodad60
Contributor: Theodore Gray
Acquired: 15 January, 2006
Text Updated: 19 February, 2006
Price: $20
Size: 5"
Purity: <5%
Uranium
Uranium Depleted Uranium Projectile
3D3D
Depleted Uranium Projectile.
Source: Anonymous
Contributor: Theodore Gray
Acquired: 18 March, 2007
Text Updated: 19 March, 2007
Price: Undisclosed
Size: 1.25"
Purity: 99%
Uranium
Uranium Radiation dose monitor
3D3D
Radiation dose monitor.
Source: eBay seller geoelectronics
Contributor: Theodore Gray
Acquired: 19 May, 2007
Text Updated: 19 May, 2007
Price: $20
Size: 5"
Purity: 0%
Sample Group: Spinthariscopes
Uranium
Uranium Modern Spinthariscope
3D3D
Modern Spinthariscope.
Source: United Nuclear
Contributor: United Nuclear
Acquired: 19 May, 2007
Text Updated: 19 May, 2007
Price: $30
Size: 2.5"
Purity: <1%
Sample Group: Spinthariscopes
Uranium
Uranium Geigerscope/Spinthariscope
3D3D
Geigerscope/Spinthariscope.
Source: eBay seller geoelectronics
Contributor: Theodore Gray
Acquired: 19 May, 2007
Text Updated: 19 May, 2007
Price: $20
Size: 3"
Purity: 0%
Sample Group: Spinthariscopes
Uranium
Uranium Alphascope/Spinthariscope
3D3D
Alphascope/Spinthariscope.
Source: eBay seller geoelectronics
Contributor: Theodore Gray
Acquired: 19 May, 2007
Text Updated: 19 May, 2007
Price: $20
Size: 1.5"
Purity: 0%
Sample Group: Spinthariscopes
Uranium
Uranium Gilbert Atomic Energy Spinthariscope
3D3D
Gilbert Atomic Energy Spinthariscope.
Source: eBay seller imissthe60s
Contributor: Theodore Gray
Acquired: 19 May, 2007
Text Updated: 19 May, 2007
Price: $48
Size: 3"
Purity: <1%
Sample Group: Spinthariscopes
Uranium
Uranium Lost marbles uranium variety
3D3D
Lost marbles (uranium variety).
Source: Anonymous
Contributor: Anonymous
Acquired: 11 August, 2007
Text Updated: 11 August, 2007
Price: Donated
Size: 1"
Purity: <5%
Uranium
Uranium Depleted Uranium Projectile
3D3D
Depleted Uranium Projectile.
Source: Anonymous
Contributor: Theodore Gray
Acquired: 2 December, 2007
Text Updated: 17 December, 2007
Price: Trade
Size: 1.5"
Purity: 99%
Uranium
Uranium Depleted Uranium Counterweight
3D3D
Depleted Uranium Counterweight.
Source: Anonymous
Contributor: Anonymous
Acquired: 30 September, 2008
Text Updated: 1 October, 2008
Price: Donated
Size: 4"
Purity: 99%
Uranium
Uranium Uranium glass insulator
3D3D
Uranium glass insulator.
Source: eBay seller 1954cowboy
Contributor: Theodore Gray
Acquired: 11 March, 2009
Text Updated: 12 March, 2009
Price: $14
Size: 1"
Purity: <2%
Uranium
Uranium Uranium glass water pitcher
3D3D
Uranium glass water pitcher.
Source: eBay seller skrantiques
Contributor: Theodore Gray
Acquired: 24 March, 2009
Text Updated: 24 March, 2009
Price: $31
Size: 9"
Purity: <2%
Uranium
Uranium Homeopathic uranium
3D3D
Homeopathic uranium.
Source: Max Whitby of RGB
Contributor: Max Whitby of RGB
Acquired: 29 April, 2009
Text Updated: 29 June, 2009
Price: Donated
Size: 2"
Purity: 0%
Uranium
Uranium Uranyl Acetate
3D3D
Uranyl Acetate. (External Sample)
Location: Anonymous
Photographed: 15 October, 2008
Text Updated: 1 March, 2009
Size: 2.5"
Purity: 60%
Uranium
Uranium Depleted uranium anti-tank round
3D3D
Depleted uranium anti-tank round. (External Sample)
Location: Oak Ridge Health Physics Museum
Photographed: 15 April, 2009
Text Updated: 15 April, 2009
Size: 8"
Purity: >95%
Uranium
Uranium Depleted uranium anti-tank round
3D3D
Depleted uranium anti-tank round. (External Sample)
Location: Oak Ridge Health Physics Museum
Photographed: 15 April, 2009
Text Updated: 15 April, 2009
Size: 8"
Purity: >95%
Uranium
Uranium Depleted uranium anti-tank round core
3D3D
Depleted uranium anti-tank round core. (External Sample)
Location: Oak Ridge Health Physics Museum
Photographed: 15 April, 2009
Text Updated: 15 April, 2009
Size: 12"
Purity: >95%
Uranium
Uranium Autunite
3D3D
Autunite.
Source: eBay seller dr**zarkoff
Contributor: Theodore Gray
Acquired: 10 June, 2005
Price: $15
Size: 0.5"
Composition: Ca(UO2)2(PO4)2.10H2O
Uranium
Uranium Autunite
3D3D
Autunite.
Source: eBay seller boomologist
Contributor: Theodore Gray
Acquired: 25 June, 2005
Price: Donated
Size: 1.5"
Composition: Ca(UO2)2(PO4)2.10H2O
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