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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Niobium
Niobium Thick anodized plate
3D3D
Thick anodized plate.
Source: Juan Jimenez
Contributor: Juan Jimenez
Acquired: 18 March, 2007
Text Updated: 12 May, 2007
Price: Donated
Size: 2.5"
Purity: 99.95%
Niobium
Niobium Metal salesmans sample
3D3D
Metal salesmans sample.
Source: eBay seller jacav111
Contributor: Theodore Gray
Acquired: 27 December, 2008
Text Updated: 28 December, 2008
Price: $134/set
Size: 1.25"
Purity: 97%
Niobium
Niobium Experimental pipe, maybe
3D3D
Experimental pipe, maybe.
Source: Ethan Currens
Contributor: Theodore Gray
Acquired: 27 December, 2008
Text Updated: 17 March, 2009
Price: Anonymous
Size: 2"
Purity: 99%
Niobium
Niobium Niobium crystal bar
3D3D
Niobium crystal bar.
Source: Ethan Currens
Contributor: Theodore Gray
Acquired: 27 December, 2008
Text Updated: 1 March, 2009
Price: Anonymous
Size: 1.5"
Purity: >99.99%
Niobium
Niobium Zone refined niobium bar
3D3D
Zone refined niobium bar.
Source: Ethan Currens
Contributor: Theodore Gray
Acquired: 27 December, 2008
Text Updated: 17 March, 2009
Price: Anonymous
Size: 1.5"
Purity: >99.99%
Niobium
Niobium Niobium powder
3D3D
Niobium powder.
Source: eBay seller safetobe
Contributor: Theodore Gray
Acquired: 2 April, 2009
Text Updated: 3 April, 2009
Price: $50/pound
Size: 2"
Purity: 99.9%
Niobium
Niobium Columbite
3D3D
Columbite.
Source: Jensan Scientifics
Contributor: Theodore Gray
Acquired: 2 April, 2009
Text Updated: 17 October, 2009
Price: Anonymous
Size: 0.5"
Composition: FeNb2O6
Molybdenum
Molybdenum Cylinder
3D3D
Cylinder.
Source: Neil Lipson
Contributor: Theodore Gray
Acquired: 29 May, 2002
Text Updated: 4 May, 2007
Price: $19
Size: 2"
Purity: 99.9%
Molybdenum
Molybdenum Nut and bolt, broken
3D3D
Nut and bolt, broken.
Source: Neil Lipson
Contributor: Theodore Gray
Acquired: 15 August, 2002
Price: $13
Size: 1.5"
Purity: 92%
Molybdenum
Molybdenum Sample from Wooden Book
3D
Sample from Wooden Book.
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%
Molybdenum
Molybdenum Molybdenum mirror
3D
Molybdenum mirror.
Source: eBay seller vanagon
Contributor: Theodore Gray
Acquired: 1 August, 2003
Price: $10
Size: 0.20"
Purity: 99%
Molybdenum
Molybdenum High purity button
3D3D
High purity button.
Source: Kaistar R&D
Contributor: Kaistar R&D
Acquired: 6 August, 2004
Price: Donated
Size: 0.75"
Purity: 99.995%
Molybdenum
Molybdenum Element coin
3D3D
Element coin.
Source: Dave Hamric
Contributor: Theodore Gray
Acquired: 1 December, 2006
Text Updated: 14 January, 2007
Price: $14
Size: 0.75"
Purity: >99%
Sample Group: Coins
Molybdenum
Molybdenum Evaporation boat
3D3D
Evaporation boat.
Source: Ethan Currens
Contributor: Theodore Gray
Acquired: 29 January, 2009
Text Updated: 29 January, 2009
Price: Anonymous
Size: 3"
Purity: 99.9%
Molybdenum
Molybdenum Molybdenum commemorative medallion
3D3D
Molybdenum commemorative medallion.
Source: eBay seller silverspoon53
Contributor: Theodore Gray
Acquired: 28 February, 2009
Text Updated: 1 March, 2009
Price: $50
Size: 1.5"
Purity: 99%
Molybdenum
Molybdenum Moly grease
3D3D
Moly grease.
Source: Harbor Freight Tool Company
Contributor: Theodore Gray
Acquired: 11 March, 2009
Text Updated: 12 March, 2009
Price: $5
Size: 6"
Purity: <10%
Molybdenum
Molybdenum Dry moly lubricant
3D3D
Dry moly lubricant.
Source: eBay seller quartzpegmatite
Contributor: Theodore Gray
Acquired: 17 April, 2009
Text Updated: 17 April, 2009
Price: $9
Size: 2"
Purity: 60%
Molybdenum
Molybdenum Molybdenum nut
3D3D
Molybdenum nut.
Source: Neil Lipson
Contributor: Theodore Gray
Acquired: 25 April, 2009
Text Updated: 25 April, 2009
Price: $13
Size: 0.4"
Purity: 92%
Molybdenum
Molybdenum Disk
3D3D
Disk.
Source: Ethan Currens
Contributor: Ethan Currens
Acquired: 30 April, 2008
Text Updated: 29 June, 2009
Price: Anonymous
Size: 0.5"
Purity: 99.9%
Molybdenum
Molybdenum M42 molybdenum cobalt steel bit
3D3D
M42 molybdenum cobalt steel bit.
Source: eBay seller aztool-jerry
Contributor: Theodore Gray
Acquired: 11 March, 2009
Text Updated: 12 March, 2009
Price: $15
Size: 4"
Composition: FeMoCo
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