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What special gear is used to film on a boat?

entertainment.howstuffworks.com/gear-used-to-film-on-boat.htm

What special gear is used to film on a boat? Visit HowStuffWorks to learn what special gear is used to film on a boat.

Can big teeth be shaved down?

health.howstuffworks.com/wellness/oral-care/procedures/can-big-teeth-be-shaved-down.htm

Big teeth sometimes can be a little too big. Learn if big teeth can be shaved down and explore cosmetic dental procedures.

Rainbow Colors Always Appear in the Same Order

science.howstuffworks.com/rainbow-colors.htm

"Why are there so many songs about rainbows?" sings Kermit the Frog in a song (about rainbows) called "Rainbow Connection" from 1979's "The Muppet Movie." And it's not just songs that feature rainbows. Children's memorabilia (from "My Little Pony" to Lisa Frank to anything with unicorns) and sweet treats ( from Lucky Charms to sherbert) are all filled with these dazzling rainbow colors.

Do Astronauts Need Sunscreen in Space?

science.howstuffworks.com/do-astronauts-need-sunscreen-in-space.htm

We know space is awash in ultraviolet radiation. So how are astronauts protected from all those UV rays?

Why aren't 3-D glasses red and blue anymore?

entertainment.howstuffworks.com/why-arent-3d-glasses-red-and-blue.htm

Remember when 3-D glasses were red and blue lenses? They've gotten a major upgrade. Find out why 3-D glasses aren't red and blue anymore.

How Christmas Trees Work

people.howstuffworks.com/culture-traditions/holidays-christmas/christmas-tree.htm

It's time to unpack the ornaments, string up the popcorn, and yes -- untangle those lights. Plan on piling it all on a fresh Christmas tree? Learn about the different types and how to pick the perfect one.

How Digital Cameras Work

electronics.howstuffworks.com/cameras-photography/digital/digital-camera.htm

Digital cameras produce instant photos that you can print or share online. Learn how digital cameras work and read reviews of the best digital cameras.

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.

Should men use different moisturizers than women?

health.howstuffworks.com/skin-care/men/moisturizing-tips/should-men-use-different-moisturizers-than-women.htm

Should men use different moisturizers than women? Visit Discovery Health to find out if men should use different moisturizers than women.

What Is a Cosmic Cow?

science.howstuffworks.com/cosmic-cow-news.htm

Astronomers at Haleakalā Observatory in Hawaii noted a bright X-ray emission in 2018, which persisted for three weeks and glowed ten times more brightly than previously studied supernovas, but are just now beginning to understand it.

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