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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Holmium
Holmium Poster sample
3D3D
Poster sample.
Source: Max Whitby of RGB
Contributor: Max Whitby of RGB
Acquired: 20 December, 2002
Text Updated: 4 May, 2007
Price: Donated
Size: 0.5"
Purity: 99.9%
Holmium
Holmium Element coin
3D3D
Element coin.
Source: Dave Hamric
Contributor: Theodore Gray
Acquired: 30 September, 2007
Text Updated: 30 September, 2007
Price: $16
Size: 0.75"
Purity: >99%
Sample Group: Coins
Erbium
Erbium Large rectangle of heavy foil
Sound3D3D
Large rectangle of heavy foil.
Source: George (not 007) Lazenby
Contributor: George (not 007) Lazenby
Acquired: 9 June, 2002
Price: Donated
Size: 2"
Purity: >95%
Erbium
Erbium Lump
3D3D
Lump.
Source: Max Whitby of RGB
Contributor: Max Whitby of RGB
Acquired: 20 December, 2002
Text Updated: 11 August, 2007
Price: Donated
Size: 0.5"
Purity: 99.4%
Erbium
Erbium Poster sample
3D3D
Poster sample.
Source: Max Whitby of RGB
Contributor: Max Whitby of RGB
Acquired: 20 December, 2002
Text Updated: 4 May, 2007
Price: Donated
Size: 0.5"
Purity: 99.4%
Erbium
Erbium Element coin
3D3D
Element coin.
Source: Dave Hamric
Contributor: Theodore Gray
Acquired: 30 September, 2007
Text Updated: 30 September, 2007
Price: $15
Size: 0.75"
Purity: >99%
Sample Group: Coins
Erbium
Erbium Torn ingot of erbium
3D3D
Torn ingot of erbium.
Source: Ethan Currens
Contributor: Ethan Currens
Acquired: 21 March, 2008
Text Updated: 21 March, 2008
Price: Anonymous
Size: 1.5"
Purity: 99.9%
Erbium
Erbium Erbium pink glass rod
3D3D
Erbium pink glass rod.
Source: eBay seller irenie1
Contributor: Theodore Gray
Acquired: 16 April, 2009
Text Updated: 17 April, 2009
Price: $2
Size: 0.25"
Purity: <10%
Erbium
Erbium Erbium-doped amplifier
3D3D
Erbium-doped amplifier.
Source: eBay seller healingmass
Contributor: Theodore Gray
Acquired: 17 April, 2009
Text Updated: 17 April, 2009
Price: $3
Size: 4"
Purity: <5%
Thulium
Thulium Lump with interesting surface99.95%
3D3D
Lump with interesting surface. 99.95%.
Source: Stanford Materials Corporation
Contributor: Ed Pegg Jr
Acquired: 26 July, 2002
Text Updated: 4 May, 2007
Price: $80
Size: 0.75"
Purity: 99.95%
Thulium
Thulium Lump
3D
Lump.
Source: Max Whitby of RGB
Contributor: Max Whitby of RGB
Acquired: 20 December, 2002
Text Updated: 11 August, 2007
Price: Donated
Size: 0.5"
Purity: 99.94%
Thulium
Thulium Odd-shaped lump
3D3D
Odd-shaped lump.
Source: Tim Worstall
Contributor: Tim Worstall
Acquired: 2003-05-1
Price: Donated
Size: 1.5"
Purity: 99.9%
Thulium
Thulium Cutoff chunk
3D
Cutoff chunk.
Source: Max Whitby of RGB
Contributor: Max Whitby of RGB
Acquired: 12 May, 2003
Text Updated: 11 August, 2007
Price: Donated
Size: 0.5"
Purity: 99.9%
Thulium
Thulium Hollow cathode lamp
3D
Hollow cathode lamp.
Source: eBay seller heruur
Contributor: Theodore Gray
Acquired: 24 December, 2003
Price: $20
Size: 8"
Purity: 99.9%
Sample Group: Atomic Emission Lamps
Thulium
Thulium Element coin
3D3D
Element coin.
Source: Dave Hamric
Contributor: Theodore Gray
Acquired: 24 December, 2007
Text Updated: 24 December, 2007
Price: $48
Size: 0.75"
Purity: >99%
Sample Group: Coins
Ytterbium
Ytterbium Lump
3D
Lump.
Source: Max Whitby of RGB
Contributor: Max Whitby of RGB
Acquired: 20 December, 2002
Text Updated: 11 August, 2007
Price: Donated
Size: 0.5"
Purity: 99.4%
Ytterbium
Ytterbium Nice lump
3D3D
Nice lump.
Source: Dave Hamric
Contributor: Dave Hamric
Acquired: 9 July, 2003
Text Updated: 4 May, 2007
Price: Donated
Size: 0.75"
Purity: >99%
Ytterbium
Ytterbium Element coin
3D3D
Element coin.
Source: Dave Hamric
Contributor: Theodore Gray
Acquired: 1 December, 2006
Text Updated: 14 January, 2007
Price: $38
Size: 0.75"
Purity: >99%
Sample Group: Coins
Ytterbium
Ytterbium Xenotime
3D3D
Xenotime.
Source: Jensan Scientifics
Contributor: Theodore Gray
Acquired: 24 March, 2009
Text Updated: 25 March, 2009
Price: Anonymous
Size: 0.125"
Composition: (YbY)PO4
Lutetium
Lutetium Lump
3D
Lump.
Source: Max Whitby of RGB
Contributor: Max Whitby of RGB
Acquired: 20 December, 2002
Text Updated: 11 August, 2007
Price: Donated
Size: 0.5"
Purity: 99.95%
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