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.

Click any element tile below to get the full entry for that element, or click on the sample picture to go directly to the description of that sample.

Text and images Copyright (c) 2010 by Theodore W. Gray.
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Thorium
Thorium Square rod
3D3D
Square rod.
Source: Anonymous
Contributor: Anonymous
Acquired: 14 June, 2008
Text Updated: 14 June, 2008
Price: Confidential
Size: 2"
Purity: 99%
Thorium
Thorium Thoriated tungsten welding rod
3D3D
Thoriated tungsten welding rod.
Source: eBay seller tungsten-direct
Contributor: Theodore Gray
Acquired: 2 April, 2009
Text Updated: 3 April, 2009
Price: $22
Size: 0.125"
Purity: 1.75%
Thorium
Thorium Thorium shavings
3D3D
Thorium shavings. (External Sample)
Location: Anonymous
Photographed: 26 September, 2008
Text Updated: 27 September, 2008
Size: 3"
Purity: 99%
Thorium
Thorium Thoriated toothpaste
3D3D
Thoriated toothpaste. (External Sample)
Location: Oak Ridge Health Physics Museum
Photographed: 15 April, 2009
Text Updated: 15 April, 2009
Size: 6"
Purity: 0%
Thorium
Thorium Aeschynite
3D3D
Aeschynite.
Source: SoCal (Nevada), Inc
Contributor: Theodore Gray
Acquired: 20 September, 2005
Text Updated: 1 December, 2008
Price: $29
Size: 1.5"
Composition: (Y, Ca, Fe, Th)(Ti, Nb)2(O, OH)6
Thorium
Thorium Ekanite
3D3D
Ekanite.
Source: Warut Roonguthai
Contributor: Warut Roonguthai
Acquired: 13 January, 2010
Text Updated: 13 January, 2010
Price: Donated
Size: 0.25"
Composition: ThCa2Si8O20
Thorium
Thorium Euxenite
3D3D
Euxenite.
Source: eBay seller minwreck
Contributor: Theodore Gray
Acquired: 20 September, 2005
Price: $20
Size: 0.75"
Composition: (Y,Ca,Ce,U,Th)(Nb,Ta,Ti)2O6
Thorium
Thorium Insane mineral capsules
3D3D
Insane mineral capsules.
Source: eBay seller grandma-adams
Contributor: Theodore Gray
Acquired: 24 March, 2009
Text Updated: 29 March, 2009
Price: $15
Size: 0.75"
Composition: SbCsDyErEuGdHfHoInLaLuNdPrSmScThTlTeTbTmYbY
Thorium
Thorium Monazite Crystal
3D3D
Monazite Crystal.
Source: eBay seller mineralman999
Contributor: Theodore Gray
Acquired: 20 September, 2005
Price: $140
Size: 1.5"
Composition: (Ce,La,Nd,Th)PO4
Thorium
Thorium Monazite Sand
3D3D
Monazite Sand.
Source: Max Whitby of RGB
Contributor: Max Whitby of RGB
Acquired: 20 September, 2005
Price: Donated
Size: 1.5"
Composition: (Ce,La,Nd,Th)PO4
Thorium
Thorium Thorianite
3D3D
Thorianite.
Source: SoCal (Nevada), Inc
Contributor: Theodore Gray
Acquired: 25 September, 2005
Price: $17
Size: 0.3"
Composition: ThO2
Thorium
Thorium Thorite
3D3D
Thorite.
Source: eBay seller mineralman999
Contributor: Theodore Gray
Acquired: 3 June, 2005
Price: $90
Size: 0.5"
Composition: (Th,U)SiO
Thorium
Thorium Thorite
3D3D
Thorite.
Source: eBay seller 4jdk
Contributor: Theodore Gray
Acquired: 25 September, 2005
Price: $76
Size: 0.5"
Composition: (Th,U)SiO
Thorium
Thorium Vicanite
3D3D
Vicanite.
Source: eBay seller ley646
Contributor: Theodore Gray
Acquired: 20 September, 2005
Price: $15.50
Size: 0.5"
Composition: (Ca, Ce, La, Th)15As(AsNa)FeSi6B4O40F7
Protactinium
Protactinium Poster sample
3D3D
Poster sample.
Source: eBay seller migalf1
Contributor: Jim Markitell
Acquired: 3 June, 2005
Text Updated: 4 May, 2007
Price: $27
Size: 1.5"
Purity: 0%
Uranium
Uranium Death on the breakfast table
3D3D
Death on the breakfast table.
Source: Charles and Susan Kunze
Contributor: Charles and Susan Kunze
Acquired: 30 July, 2002
Price: Donated
Size: 5"
Purity: <5%
Uranium
Uranium 50 caliber armor piercing shellNot uranium after all
Sound3D
50 caliber armor piercing shell. Not uranium after all.
Source: eBay seller accurateimage
Contributor: Theodore Gray
Acquired: 31 July, 2002
Text Updated: 29 January, 2009
Price: $10/each
Size: 2.5"
Purity: 0%
Uranium
Uranium Depleted uranium cylinder
3D
Depleted uranium cylinder.
Source: Anonymous
Contributor: Anonymous
Acquired: 21 December, 2002
Price: Trade
Size: 2"
Purity: 99%
Uranium
Uranium More uranium glass marbles
3D
More uranium glass marbles.
Source: eBay seller danniken
Contributor: Theodore Gray
Acquired: 6 January, 2003
Price: $8
Size: 0.5"
Purity: <5%
Uranium
Uranium Fuel pellet
3D3D
Fuel pellet.
Source: Anonymous
Contributor: Anonymous
Acquired: 10 August, 2004
Text Updated: 8 December, 2007
Price: Donated
Size: 0.5"
Purity: 50%
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