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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Magnesium
Magnesium Bulk rod
3D3D
Bulk rod.
Source: eBay seller magman1000
Contributor: Theodore Gray
Acquired: 20 November, 2007
Text Updated: 21 November, 2007
Price: $6/pound
Size: 1.25"
Purity: >95%
Magnesium
Magnesium Laptop frame part
3D3D
Laptop frame part.
Source: Max Cane
Contributor: Max Cane
Acquired: 23 December, 2007
Text Updated: 24 December, 2007
Price: Donated
Size: 8"
Purity: >95%
Magnesium
Magnesium Brake mount
3D3D
Brake mount.
Source: eBay seller huntinfrek
Contributor: Theodore Gray
Acquired: 28 March, 2009
Text Updated: 29 March, 2009
Price: $40
Size: 8"
Purity: 95%
Magnesium
Magnesium Dow magnesium medallion
3D3D
Dow magnesium medallion.
Source: eBay seller tecollectables
Contributor: Theodore Gray
Acquired: 2 April, 2009
Text Updated: 7 April, 2009
Price: $15
Size: 2"
Purity: 99%
Magnesium
Magnesium Cox magnesium drop arm
3D3D
Cox magnesium drop arm.
Source: eBay seller motoreyes
Contributor: Theodore Gray
Acquired: 2 April, 2009
Text Updated: 3 April, 2009
Price: $3.25
Size: 1.5"
Purity: 99%
Magnesium
Magnesium Magnesium bicycle pedal
3D3D
Magnesium bicycle pedal.
Source: eBay seller yan_kelly
Contributor: Theodore Gray
Acquired: 2 April, 2009
Text Updated: 3 April, 2009
Price: $36
Size: 5"
Purity: >90%
Magnesium
Magnesium Magnesium bell housing
3D3D
Magnesium bell housing.
Source: eBay seller raceprovenparts
Contributor: Theodore Gray
Acquired: 2 April, 2009
Text Updated: 8 April, 2009
Price: $75
Size: 14"
Purity: >90%
Magnesium
Magnesium Manual photo flash unit
3D3D
Manual photo flash unit.
Source: eBay
Contributor: Theodore Gray
Acquired: 2 April, 2009
Text Updated: 3 April, 2009
Price: Unknown
Size: 6"
Purity: 0%
Magnesium
Magnesium Magnesium movie reel
3D3D
Magnesium movie reel.
Source: eBay
Contributor: Theodore Gray
Acquired: 2 April, 2009
Text Updated: 8 April, 2009
Price: Unknown
Size: 16"
Purity: >90%
Magnesium
Magnesium Green plant
3D3D
Green plant.
Source: Nick Mann
Contributor: Nick Mann
Acquired: 13 January, 2010
Text Updated: 13 January, 2010
Price: Donated
Size: 2"
Purity: <1%
Magnesium
Magnesium Epsom Salt
3D3D
Epsom Salt.
Source: Walmart
Contributor: Theodore Gray
Acquired: 24 March, 2009
Text Updated: 8 April, 2009
Price: $3
Size: 2"
Composition: MgSO4
Magnesium
Magnesium Magnesium-fortified horse salt brick
3D3D
Magnesium-fortified horse salt brick.
Source: Farm & Fleet
Contributor: Theodore Gray
Acquired: 28 March, 2009
Text Updated: 29 March, 2009
Price: $1
Size: 6"
Composition: NaClMg
Magnesium
Magnesium Silicated Magnesium
3D3D
Silicated Magnesium.
Source: eBay seller zephyr4
Contributor: Theodore Gray
Acquired: 13 February, 2007
Text Updated: 14 February, 2007
Price: $25
Size: 3"
Composition: MgSi
Aluminum
Aluminum 4/0 electrical wires
3D
4/0 electrical wires.
Source: Hardware Store
Contributor: Theodore Gray
Acquired: 15 April, 2002
Text Updated: 11 August, 2007
Price: $1/foot
Size: 1.25"
Purity: >95%
Aluminum
Aluminum Water drop blobs
3D3D
Water drop blobs.
Source: Hardware Store
Contributor: Theodore Gray
Acquired: 15 April, 2002
Price: $1/foot
Size: 1.25"
Purity: >95%
Aluminum
Aluminum Gem cut aluminum oxide corundum
3D3D
Gem cut aluminum oxide (corundum).
Source: Pehnec Gems
Contributor: Theodore Gray
Acquired: 23 April, 2002
Price: $15/both
Size: 0.6"
Purity: 53%
Aluminum
Aluminum Artificial knee joint practice version
3D3D
Artificial knee joint (practice version).
Source: The Bone Room
Contributor: Theodore Gray
Acquired: 13 May, 2002
Text Updated: 29 January, 2009
Price: $31
Size: 4"
Purity: 99.78%
Sample Group: Body Parts+Medical
Aluminum
Aluminum Japanese coin
3D3D
Japanese coin.
Source: Japan
Contributor: Ed Pegg Jr
Acquired: 6 September, 2002
Text Updated: 9 April, 2009
Price: Donated
Size: 0.5"
Purity: >90%
Sample Group: Coins
Aluminum
Aluminum 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: 98%
Aluminum
Aluminum Museum-grade sample
3D
Museum-grade sample.
Source: Theodore Gray
Contributor: Theodore Gray
Acquired: 6 March, 2004
Text Updated: 11 August, 2007
Price: See Listing
Size: 4"
Purity: >99%
Sample Group: RGB Samples
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