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Could I see a flashlight beam from Earth on the moon?
science.howstuffworks.com/question441.htm
If I was on the moon and the earth was black (no lights were on) and a flashlight was turned on facing the moon, would I see the light? If I couldn't, would there be any way to detect any residual matter that came from the light on Earth or does light die after a certain distance?
Why are objects in the side-view mirror closer than they appear?
"Objects in mirror are closer than they appear." That little line appears so often and in so many contexts, it's almost lost all meaning -- but why is it there, and what does physics have to do with it?
Home Remedies for Cats With Hearing or Vision Loss
animals.howstuffworks.com/pets/home-remedies-for-cats-with-hearing-or-vision-loss.htm
A blind or deaf cat can be a challenge around the house. Learn some home remedies for cats with hearing or vision loss.
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.
The Turkish Angora Cat Is Playful, Loyal, and Simply Stunning
animals.howstuffworks.com/pets/turkish-angora-cat.htm
Turkish Angora cat lovers often describe this breed as a living piece of silk in motion. With its gossamer-like fur and energetic charm, the Turkish Angora is more than just a pretty face; it's a national treasure in Turkey and a favorite in the cat world.
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.
How to Apply Single Eyelashes in 5 Steps
lifestyle.howstuffworks.com/style/makeup/eye/5-steps-to-apply-single-eyelashes.htm
Applying eyelashes can help attract attention to your face and make your look more dramatic. Learn how to apply single eyelashes in five easy steps.
Can You Decode These Emoji Sentences?
play.howstuffworks.com/quiz/can-you-decode-these-sentences-made-with-emoji
Many people use a variety of emoji to spell out funny and witty phrases to their friends and families. Think you know enough about emoji to guess what they spell out? Test your emoji knowledge on this quiz now to see!
How do sharks see, smell and hear?
animals.howstuffworks.com/fish/sharks/shark-senses.htm
A shark sense isn't so different from any of our senses, a shark sense is just sharper underwater. See more about shark sense and how each works.
How Impossible Colors (Like Stygian Blue) Work
science.howstuffworks.com/impossible-colors.htm
What if there are colors within the visible spectrum that our brains can't perceive? In fact, there are. They're called impossible colors. But some researchers think they've discovered a way to see the impossible.