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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Cobalt
Cobalt Cobalt-glass vase
3D3D
Cobalt-glass vase.
Source: eBay seller auntncb
Contributor: Theodore Gray
Acquired: 28 February, 2009
Text Updated: 1 March, 2009
Price: $10
Size: 7"
Purity: 0.005%
Cobalt
Cobalt Cobalt-glass candle holder
3D3D
Cobalt-glass candle holder.
Source: eBay seller 517trinket
Contributor: Theodore Gray
Acquired: 28 February, 2009
Text Updated: 1 March, 2009
Price: $7
Size: 2.5"
Purity: 0.005%
Cobalt
Cobalt Cobalt-glass cat thing
3D3D
Cobalt-glass cat thing.
Source: eBay seller alteglasslady
Contributor: Theodore Gray
Acquired: 28 February, 2009
Text Updated: 1 March, 2009
Price: $5
Size: 3"
Purity: 0.005%
Cobalt
Cobalt Cobalt-glass insulator
3D3D
Cobalt-glass insulator.
Source: eBay seller radaru
Contributor: Theodore Gray
Acquired: 28 February, 2009
Text Updated: 1 March, 2009
Price: $30
Size: 2"
Purity: 0.005%
Cobalt
Cobalt Cobalt-glass insulator
3D3D
Cobalt-glass insulator.
Source: eBay seller gigioleen
Contributor: Theodore Gray
Acquired: 28 February, 2009
Text Updated: 1 March, 2009
Price: $77
Size: 4"
Purity: 0.005%
Cobalt
Cobalt Cobalt-glass head
3D3D
Cobalt-glass head.
Source: eBay seller homedecorshops
Contributor: Theodore Gray
Acquired: 24 March, 2009
Text Updated: 24 March, 2009
Price: $25
Size: 10"
Purity: 0.005%
Cobalt
Cobalt Cobalt blue paint
3D3D
Cobalt blue paint.
Source: eBay seller charltonmills
Contributor: Theodore Gray
Acquired: 16 April, 2009
Text Updated: 17 April, 2009
Price: $12
Size: 1"
Purity: <30%
Cobalt
Cobalt Cobalt gum
3D3D
Cobalt gum.
Source: Grocery Store
Contributor: Theodore Gray
Acquired: 16 October, 2009
Text Updated: 18 October, 2009
Price: $2
Size: 3"
Purity: 0%
Cobalt
Cobalt Cobalt steel bit
3D3D
Cobalt steel bit.
Source: eBay seller singlepoint
Contributor: Theodore Gray
Acquired: 11 March, 2009
Text Updated: 12 March, 2009
Price: $13
Size: 4"
Composition: FeMoCo
Cobalt
Cobalt Compact flash card hard drive
3D3D
Compact flash card hard drive.
Source: Electronics Store
Contributor: Theodore Gray
Acquired: 28 February, 2009
Text Updated: 1 March, 2009
Price: $100
Size: 1.75"
Composition: AlSiCuCoFeNdB
Cobalt
Cobalt Erythrite from Jensan Set
3D3D
Erythrite from Jensan Set.
Source: Jensan Scientifics
Contributor: Jensan Scientifics
Acquired: 17 March, 2003
Price: Donated
Size: 1"
Composition: Co3(AsO4)2.8H2O
Cobalt
Cobalt Arc-melted magnetic alloy
3D3D
Arc-melted magnetic alloy.
Source: Ethan Currens
Contributor: Ethan Currens
Acquired: 21 March, 2008
Text Updated: 30 April, 2008
Price: Anonymous
Size: 1.5"
Composition: FeCo
Cobalt
Cobalt Pentlandite
3D3D
Pentlandite.
Source: Jensan Scientifics
Contributor: Theodore Gray
Acquired: 25 April, 2009
Text Updated: 27 April, 2009
Price: Anonymous
Size: 0.5"
Composition: (FeNiCo)9S8
Nickel
Nickel Ingots
Sound3D
Ingots.
Source: Flex-n-Gate, Inc
Contributor: Flex-n-Gate, Inc
Acquired: 25 April, 2002
Price: Donated
Size: 1"
Purity: >99%
Nickel
Nickel INCO S-ROUNDS Electrolytic Nickel
3D3D
INCO S-ROUNDS Electrolytic Nickel.
Source: eBay seller jamrat2000
Contributor: Theodore Gray
Acquired: 14 February, 2003
Text Updated: 4 May, 2007
Price: $18/pound
Size: 1"
Purity: 99.9%
Nickel
Nickel Electrochemically grown crystal
3D
Electrochemically grown crystal.
Source: eBay seller judys-1000s-treasures
Contributor: Theodore Gray
Acquired: 22 February, 2003
Text Updated: 5 March, 2006
Price: $6
Size: 3"
Purity: >99%
Nickel
Nickel Turbine blades
3D3D
Turbine blades.
Source: eBay seller getnick
Contributor: Theodore Gray
Acquired: 27 February, 2003
Text Updated: 16 March, 2009
Price: $30/10
Size: 2.5"
Purity: >50%
Nickel
Nickel Industrial waste
3D3D
Industrial waste.
Source: Anonymous
Contributor: Anonymous
Acquired: 10 March, 2003
Text Updated: 9 April, 2009
Price: Donated
Size: 2"
Purity: 96%
Nickel
Nickel Mond balls
3D3D
Mond balls.
Source: eBay seller akilawolf
Contributor: Theodore Gray
Acquired: 5 June, 2003
Price: $12
Size: 0.75"
Purity: 99.9%
Nickel
Nickel Another arc melted button
3D
Another arc melted button.
Source: Theodore Gray
Contributor: Theodore Gray
Acquired: 23 August, 2003
Price: $5/pound
Size: 3/4"
Purity: 99.9%
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