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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Calcium
Calcium Square block
3D3D
Square block.
Source: Max Whitby of RGB
Contributor: Max Whitby of RGB
Acquired: 15 February, 2005
Text Updated: 4 May, 2007
Price: Donated
Size: 1"
Purity: 99.9%
Calcium
Calcium Hydrogen generator
3D3D
Hydrogen generator.
Source: eBay seller pcijma
Contributor: Theodore Gray
Acquired: 19 November, 2005
Price: $13
Size: 3"
Purity: 99.9%
Calcium
Calcium High-purity calcium nodules
3D3D
High-purity calcium nodules.
Source: Anonymous
Contributor: Anonymous
Acquired: 31 October, 2009
Text Updated: 31 October, 2009
Price: Donated
Size: 3"
Purity: >99.9%
Calcium
Calcium High purity crystals
3D3D
High purity crystals. (External Sample)
Location: Anonymous
Photographed: 10 April, 2005
Size: 1"
Purity: >99.9%
Calcium
Calcium Calcium Chloride ice melter
3D3D
Calcium Chloride ice melter.
Source: Walmart
Contributor: Theodore Gray
Acquired: 24 March, 2009
Text Updated: 25 March, 2009
Price: $30
Size: 0.125"
Composition: CaCl2
Calcium
Calcium Calcite from Jensan Set
3D3D
Calcite from Jensan Set.
Source: Jensan Scientifics
Contributor: Jensan Scientifics
Acquired: 17 March, 2003
Price: Donated
Size: 1"
Composition: Ca(CO3)
Calcium
Calcium Calcium hydride canister
3D3D
Calcium hydride canister.
Source: eBay
Contributor: Theodore Gray
Acquired: 28 February, 2009
Text Updated: 1 March, 2009
Price: Forgot
Size: 6"
Composition: CaH2
Calcium
Calcium Colored Chalk
3D3D
Colored Chalk.
Source: Hobby Lobby
Contributor: Theodore Gray
Acquired: 2 April, 2009
Text Updated: 3 April, 2009
Price: $2
Size: 4"
Composition: CaSO4
Calcium
Calcium Coral
3D3D
Coral.
Source: John Posey
Contributor: Theodore Gray
Acquired: 11 March, 2009
Text Updated: 12 March, 2009
Price: Trade
Size: 4"
Composition: CaCO3
Calcium
Calcium Frilled dragon skull
3D3D
Frilled dragon skull.
Source: The Bone Room
Contributor: Theodore Gray
Acquired: 8 February, 2009
Text Updated: 8 February, 2009
Price: $70
Size: 2"
Composition: Ca10(PO4)6(OH)2
Calcium
Calcium Holey limestone
3D3D
Holey limestone.
Source: eBay seller endo80
Contributor: Theodore Gray
Acquired: 8 February, 2009
Text Updated: 8 February, 2009
Price: $16
Size: 8"
Composition: CaCO3
Calcium
Calcium Quicklime
3D3D
Quicklime.
Source: eBay seller lauram300
Contributor: Theodore Gray
Acquired: 8 May, 2007
Text Updated: 9 May, 2007
Price: $36
Size: 1"
Composition: CaO
Calcium
Calcium Quicklime Desiccant
3D3D
Quicklime Desiccant.
Source: Theodore Gray
Contributor: Theodore Gray
Acquired: 12 January, 2010
Text Updated: 12 January, 2010
Price: Donated
Size: 3"
Composition: CaO
Calcium
Calcium Pretty seashell
3D3D
Pretty seashell.
Source: Florida
Contributor: Theodore Gray
Acquired: 28 February, 2009
Text Updated: 1 March, 2009
Price: Donated
Size: 2"
Composition: CaCO3
Scandium
Scandium Sample from the RGB Set
3D3D
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: 99.89%
Scandium
Scandium Metal halide bulb
3D3D
Metal halide bulb.
Source: Hardware Store
Contributor: Theodore Gray
Acquired: 28 November, 2003
Text Updated: 11 August, 2007
Price: $40
Size: 9"
Purity: <1%
Sample Group: Light Bulbs
Scandium
Scandium Aluminum-scandium master alloy
3D
Aluminum-scandium master alloy.
Source: Tim Worstall
Contributor: Tim Worstall
Acquired: 19 January, 2004
Price: Donated
Size: 1.25"
Purity: 2%
Scandium
Scandium Poster sample
3D3D
Poster sample.
Source: Max Whitby of RGB
Contributor: Max Whitby of RGB
Acquired: 25 January, 2003
Text Updated: 4 May, 2007
Price: Donated
Size: 0.2"
Purity: 99.89%
Scandium
Scandium Element coin
3D3D
Element coin.
Source: Dave Hamric
Contributor: Theodore Gray
Acquired: 24 December, 2007
Text Updated: 24 December, 2007
Price: $44
Size: 0.75"
Purity: >99%
Sample Group: Coins
Scandium
Scandium Fancy bicycle part
3D3D
Fancy bicycle part.
Source: eBay seller cycling-clothing
Contributor: Theodore Gray
Acquired: 8 February, 2009
Text Updated: 8 February, 2009
Price: $50
Size: 6"
Purity: <5%
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