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More-subtle filters are needed to correct for the difference between, say 3200 K and 3400 K tungsten lamps or to correct for the slightly blue cast of some flash tubes, which may be 6000 K. [21] If there is more than one light source with varied color temperatures, one way to balance the color is to use daylight film and place color-correcting ...
Wire wrapped jewelry is made of wire and sometimes findings similar to wire (head-pins, jump rings, etc.) Wire wrapped jewelry is made using mechanical connections between components and without soldering or other heat treatments. A mechanical connection is connecting a loop to another loop by interlocking them. A key element in wire wrapped ...
The color depends on voltage. Many other electrolytes can be used—even Coca-Cola. Straw yellow / 10V – violet / 29 V – blue / 30 V – blue green 45 V – light green / 55 V – purple-red / 75 V – grey / 110 V. It is mandatory that this process must be performed wearing rubber gloves (potentially dangerous voltage!). [37]
Tungsten occurs in many alloys, which have numerous applications, including incandescent light bulb filaments, X-ray tubes, electrodes in gas tungsten arc welding, superalloys, and radiation shielding. Tungsten's hardness and high density make it suitable for military applications in penetrating projectiles.
or more correctly, Omega necklace is a pseudo-chain made by assembling metallic plates on a wire or woven mesh. The plates give the appearance of links in a chain. [23] Prince Of Wales: This is a loose Rope chain. This chain consists of a twisting chain made of small circular links, where each single link has no less than four others joining ...
But that same phenomenon can also sometimes make skies look red or orange. Here's a breakdown of how and why it all happens. But the science behind a blue sky isn't that easy.
On cooling, the compound becomes a light yellow metastable phase, which over 2–3 weeks turns back into original red. [8] Many other tetrachloronickelates are also thermochromic. Bis(diethylammonium) tetrachlorocuprate(II) ([(CH 3 CH 2 ) 2 NH 2 ] 2 CuCl 4 ) is a bright green solid material, which at 52–53 °C reversibly changes color to yellow.
When shot outdoors, tungsten film produces a strong blue cast, an effect which is often used purposely to create different color contrasts. In the motion picture industry the use of underexposed tungsten-balanced film in an outdoor setting is a common way of producing a " day for night " effect, whereby film shot during the daytime looks as if ...
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