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2. Iridescence - Wikipedia

   en.wikipedia.org/wiki/Iridescence

   Iridescence is caused by wave interference of light in microstructures or thin films. Examples of iridescence include soap bubbles, feathers, butterfly wings and seashell nacre, and minerals such as opal. Pearlescence is a related effect where some or most of the reflected light is white. The term pearlescent is used to describe certain paint ...

3. Shower-curtain effect - Wikipedia

   en.wikipedia.org/wiki/Shower-curtain_effect

   It is possible to use a telescopic shower curtain rod to block the curtain on its lower part and to prevent it from sucking inside. Hanging the curtain rod higher or lower, or especially further away from the shower head, can reduce the effect. A convex shower rod can also be used to hold the curtain against the inside wall of a tub.

4. List of common misconceptions about science, technology, and ...

   en.wikipedia.org/wiki/List_of_common...

   Blood is red due to the presence of hemoglobin; deoxygenated blood (in veins) has a deep red color, and oxygenated blood (in arteries) has a light cherry-red color. Veins below the skin can appear blue or green due to subsurface scattering of light through the skin, and aspects of human color perception.

5. How to Clean a Shower Head (And Why You Really Need To) - AOL

   www.aol.com/lifestyle/clean-shower-head-why...

   Once the shower head is reinstalled, turn on the shower for a few minutes to clear out any residual vinegar. You may want to start with a gentle stream and then increase, just in case the shower ...

6. ChromaFlair - Wikipedia

   en.wikipedia.org/wiki/ChromaFlair

   The aluminium and chrome give the paint a vibrant metallic sparkle, while the glass-like coating acts like a refracting prism, changing the apparent color of the surface as the observer moves. [ 3 ] ChromaFlair paints contain no conventional absorbing pigments ; rather, the pigment is a light interference pigment .

7. Orionid meteor shower: How and where to see spectacular light ...

   www.aol.com/news/orionid-meteor-shower-where-see...

   The ‘breath-taking’ display is caused by Halley’s Comet and emanates from just above the Orion constellation