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How RealD 3-D Works
entertainment.howstuffworks.com/reald-3-d.htm
RealD 3-D optimizes the 3-D viewing experience. Find out how RealD takes on traditional 3-D.
How have NASA space helmets changed optics?
science.howstuffworks.com/innovation/nasa-inventions/nasa-space-helmets-changed-optics.htm
NASA space helmets are nifty devices that allow astronauts to operate in the hostile environment of space, but did you know that the technology behind them has also directly benefitted eyeballs here on Earth? Learn more about NASA and optics.
Chloroplasts Are the Plant Cells That Manufacture Energy
science.howstuffworks.com/life/cellular-microscopic/chloroplasts.htm
Chloroplasts are where some of the most miraculous chemistry on Earth goes down.
Asparagus Fern
home.howstuffworks.com/asparagus-fern.htm
Asparagus fern is an attractive plant with star-shaped flowers that turn into pretty red and purple berries. Learn how to grow the asparagus fern in the garden and as a house plant.
Eye Color: Percentage of the World Population With Each Shade
science.howstuffworks.com/life/genetic/eye-color-percentage.htm
Understanding eye color percentage reveals how human genetics shapes the colors we see in the iris. The iris is the colored part of the eye, and its appearance depends largely on how much melanin pigment it contains.
Ultimate Guide to Recycled Wine Bottle Crafts
lifestyle.howstuffworks.com/crafts/recycled/recycled-wine-bottle-crafts.htm
Recycled wine bottle crafts can be a lot of fun to make. Visit HowStuffWorks to learn all about making recycled wine bottle crafts.
How Hanukkah Works
people.howstuffworks.com/culture-traditions/holidays-other/hanukkah.htm
Every year, Jews around the world celebrate Hanukkah, a holiday celebrating triumph over persecution. Find out what Hanukkah is all about.
Where Is the Hubble Telescope and How Does It Work?
science.howstuffworks.com/hubble.htm
The Hubble Space Telescope is one of the most amazing machines in orbit right now. Learn more about the Hubble Space Telescope and how it works.
Which Side of the Force Are You?
play.howstuffworks.com/quiz/which-side-the-force-are-you
A long time ago in a galaxy far, far away...this quiz was created. It comes to you now, across space and time, to assist you in determining whether you are on the path of righteousness or that of fear and hate.
How In-dash Night-vision Systems Work
electronics.howstuffworks.com/gadgets/automotive/in-dash-night-vision-system.htm
You might have heard about in-dash night-vision systems, but how much do you really know? Learn about in-dash night-vision systems at HowStuffWorks.