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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Europium
Europium Sample under oil
3D3D
Sample under oil.
Source: Dave Hamric
Contributor: Theodore Gray
Acquired: 20 September, 2005
Price: $17
Size: .75"
Purity: 99.9%
Europium
Europium Dendritic sample under oil
3D3D
Dendritic sample under oil.
Source: Dave Hamric
Contributor: Theodore Gray
Acquired: 20 September, 2005
Text Updated: 4 May, 2007
Price: $39
Size: 1"
Purity: 99.9%
Europium
Europium 2 watt compact fluorescent bulb
3D3D
2 watt compact fluorescent bulb.
Source: Bulb Americal
Contributor: Theodore Gray
Acquired: 11 March, 2009
Text Updated: 17 March, 2009
Price: $5
Size: 2"
Purity: <1%
Sample Group: Light Bulbs
Europium
Europium 3 watt CF bulb and nail clippers
3D3D
3 watt CF bulb and nail clippers.
Source: China
Contributor: Theodore Gray
Acquired: 11 March, 2009
Text Updated: 17 March, 2009
Price: $3
Size: 3"
Purity: <1%
Europium
Europium Cute compact fluorescent
3D3D
Cute compact fluorescent.
Source: China
Contributor: Theodore Gray
Acquired: 24 March, 2009
Text Updated: 24 March, 2009
Price: $1
Size: 3"
Purity: <1%
Gadolinium
Gadolinium Clippings
3D3D
Clippings.
Source: Tryggvi Emilsson and Timothy Brumleve
Contributor: Tryggvi Emilsson and Timothy Brumleve
Acquired: 6 September, 2002
Text Updated: 4 May, 2007
Price: Donated
Size: 0.2"
Purity: >99%
Gadolinium
Gadolinium Sample from the RGB Set
3D
Sample from the RGB Set.
Source: Max Whitby of RGB
Contributor: Max Whitby of RGB
Acquired: 25 January, 2003
Text Updated: 11 August, 2007
Price: Donated
Size: 0.2"
Purity: 99.85%
Gadolinium
Gadolinium Contrast medium
3D3D
Contrast medium.
Source: Dr Chung
Contributor: Dr Chung
Acquired: 25 December, 2004
Text Updated: 11 March, 2007
Price: Donated
Size: 2"
Purity: <10%
Sample Group: Medical
Gadolinium
Gadolinium Element coin
3D3D
Element coin.
Source: Dave Hamric
Contributor: Theodore Gray
Acquired: 1 December, 2006
Text Updated: 14 January, 2007
Price: $20
Size: 0.75"
Purity: >99%
Sample Group: Coins
Terbium
Terbium 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: 99.54%
Terbium
Terbium 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: 99.54%
Terbium
Terbium Element coin
3D3D
Element coin.
Source: Dave Hamric
Contributor: Theodore Gray
Acquired: 30 September, 2007
Text Updated: 30 September, 2007
Price: $28
Size: 0.75"
Purity: >99%
Sample Group: Coins
Terbium
Terbium High purity rod
3D3D
High purity rod.
Source: eBay seller mrj33
Contributor: Theodore Gray
Acquired: 2 December, 2007
Text Updated: 3 December, 2007
Price: $33
Size: 1"
Purity: 99.99%
Terbium
Terbium High purity crystal crust
3D3D
High purity crystal crust.
Source: Ethan Currens
Contributor: Ethan Currens
Acquired: 2 December, 2007
Text Updated: 3 December, 2007
Price: Donated
Size: 1.25"
Purity: 99.99%
Terbium
Terbium Terbium-doped glass
3D3D
Terbium-doped glass.
Source: eBay seller tranquil-gardens
Contributor: Theodore Gray
Acquired: 24 March, 2009
Text Updated: 24 March, 2009
Price: $2.50
Size: 0.75"
Purity: <1%
Terbium
Terbium Core of SoundBug speaker
3D3D
Core of SoundBug speaker.
Source: Max Whitby of RGB
Contributor: Max Whitby of RGB
Acquired: 17 April, 2009
Text Updated: 17 April, 2009
Price: Donated
Size: 0.5"
Purity: <50%
Dysprosium
Dysprosium Dendritic crystals
3D3D
Dendritic crystals.
Source: Tryggvi Emilsson and Timothy Brumleve
Contributor: Tryggvi Emilsson and Timothy Brumleve
Acquired: 6 September, 2002
Text Updated: 4 May, 2007
Price: Donated
Size: 0.2"
Purity: 99.9%
Dysprosium
Dysprosium 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%
Dysprosium
Dysprosium Element coin
3D3D
Element coin.
Source: Dave Hamric
Contributor: Theodore Gray
Acquired: 24 December, 2007
Text Updated: 24 December, 2007
Price: $18
Size: 0.75"
Purity: >99%
Sample Group: Coins
Holmium
Holmium 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: 99.9%
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