Samples by Date Edited (2401)

These are all my samples listed by which ones have had their description edited most recently.

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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Carbon
Carbon Graphite rod from lantern battery
SoundStory
Graphite rod from lantern battery.
Source: Hardware Store
Contributor: Theodore Gray
Acquired: 15 April, 2002
Price: $5/battery with 4 of them
Size: 3"
Purity: >95%
Carbon
Carbon Pyrolytic graphite
Video
Pyrolytic graphite.
Source: Science Toys
Contributor: Ed Pegg Jr
Acquired: 15 April, 2002
Price: $2
Size: 1"
Purity: >99%
Magnesium
Magnesium Camp fire starter
3D3D
Camp fire starter.
Source: Walmart
Contributor: Theodore Gray
Acquired: 15 April, 2002
Price: $4
Size: 3"
Purity: 97.2%
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%
Silicon
Silicon Silicon wafer

Silicon wafer.
Source: The Tech Museum, San Jose, California
Contributor: Theodore Gray
Acquired: 15 April, 2002
Price: $20/unbroken wafer
Size: 1.5"
Purity: 99.9999%
Argon
Argon Ordinary light bulb

Ordinary light bulb.
Source: Theodore Gray
Contributor: Theodore Gray
Acquired: 15 April, 2002
Price: Donated
Size: 1.5"
Purity: >90%
Sample Group: Light Bulbs
Iron
Iron Steel wool

Steel wool.
Source: Hardware Store
Contributor: Theodore Gray
Acquired: 15 April, 2002
Price: $1
Size: 2"
Purity: >95%
Iron
Iron Precision steel micro-bearings

Precision steel micro-bearings.
Source: New England Miniature Ball Corp
Contributor: Ed Pegg Jr
Acquired: 15 April, 2002
Price: $5/1000 (which is not a lot of bearings)
Size: 0.03"
Purity: >95%
Copper
Copper 3/0 electrical wire
Sound3D
3/0 electrical wire.
Source: Hardware Store
Contributor: Theodore Gray
Acquired: 15 April, 2002
Price: $1.50/foot
Size: 1.25"
Purity: >99%
Zinc
Zinc Scrap roof flashing
SoundStory3D
Scrap roof flashing.
Source: Marco's Scrap Metal
Contributor: Theodore Gray
Acquired: 15 April, 2002
Price: $1/pound for scrap zinc
Size: 1.25"
Purity: >90%
Zinc
Zinc Art
3D3D
Art.
Source: Theodore Gray
Contributor: Theodore Gray
Acquired: 15 April, 2002
Price: $1/pound for scrap zinc
Size: 8"
Purity: >90%
Zinc
Zinc More Art
3D3D
More Art.
Source: Theodore Gray
Contributor: Theodore Gray
Acquired: 15 April, 2002
Price: $1/pound for scrap zinc
Size: 3"
Purity: >90%
Arsenic
Arsenic CCA treated wood
3D3D
CCA treated wood.
Source: Hardware Store
Contributor: Theodore Gray
Acquired: 15 April, 2002
Price: Donated
Size: 3"
Purity: <5%
Silver
Silver One ounce silver rounds
3D3D
One ounce silver rounds.
Source: Coin Shop in California
Contributor: Theodore Gray
Acquired: 15 April, 2002
Price: $5/ounce
Size: 1.5"
Purity: 99.9%
Sample Group: Coins
Cerium
Cerium Mischmetal striking flint
SoundVideo
Mischmetal striking flint.
Source: Walmart
Contributor: Theodore Gray
Acquired: 15 April, 2002
Price: $4
Size: 3"
Purity: <30%
Neodymium
Neodymium Rare earth magnet
SoundVideo
Rare earth magnet.
Source: Force Field
Contributor: Ed Pegg Jr
Acquired: 15 April, 2002
Price: $3
Size: 0.5"
Purity: <35%
Platinum
Platinum One ounce bullion bar
Sound
One ounce bullion bar.
Source: Coin Shop in California
Contributor: Theodore Gray
Acquired: 15 April, 2002
Price: $600/including loop
Size: 1.5"
Purity: 99.95%
Gold
Gold One ounce bullion bar
Sound
One ounce bullion bar.
Source: Coin Shop in California
Contributor: Theodore Gray
Acquired: 15 April, 2002
Price: $400/including loop
Size: 1.5"
Purity: 99.99%
Lead
Lead Plumbing lead
Sound3D
Plumbing lead.
Source: Hardware Store
Contributor: Theodore Gray
Acquired: 15 April, 2002
Price: $1/pound
Size: 2.5"
Purity: >95%
Bismuth
Bismuth Reagent-grade metal
3D
Reagent-grade metal.
Source: Alfa Aesar
Contributor: Ed Pegg Jr
Acquired: 15 April, 2002
Price: $100/Kg
Size: 2"
Purity: 99.9%
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