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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.
Can investments be risk-free?
money.howstuffworks.com/personal-finance/financial-planning/can-investments-be-risk-free.htm
Can investments be risk-free? Find out if investments can be risk-free in this article from HowStuffWorks.
How Air-Conditioned Seats Work
auto.howstuffworks.com/air-conditioned-seat.htm
Have you ever been in a car with air-conditioned seats? Read about air-conditioned seats at HowStuffWorks.
How will plug-in hybrids affect the environment?
auto.howstuffworks.com/car-models/plug-in-hybrids/plug-in-hybrids-affect-the-environment.htm
How will plug-in hybrids affect the environment? Learn how plug-in hybrids could affect the environment at HowStuffWorks.
How to Bluff in Scrabble
entertainment.howstuffworks.com/leisure/brain-games/how-to-bluff-in-scrabble.htm
Your opponent scratches her nose, an obvious tell. You call her bluff -- by checking the dictionary. How can you bluff successfully in Scrabble?
How Go-kart Racing Works
auto.howstuffworks.com/auto-racing/motorsports/go-kart-racing.htm
True racing go-karts are serious competitive machines. Read more about go-kart racing at HowStuffWorks.
Can you turn down the position of maid of honor?
lifestyle.howstuffworks.com/weddings/family-gifts/for-the-groom/turn-down-maid-of-honor.htm
Can you turn down the position of maid of honor? Read about the rare occasions you can decline the maid of honor position.
How Water-powered Clocks Work
science.howstuffworks.com/environmental/green-tech/sustainable/water-powered-clock.htm
Water-powered clocks are explained in this article. Learn about water-powered clocks.
6 Ways Reading a Book Beats Reading Digitally, Hands Down
health.howstuffworks.com/mental-health/human-nature/behavior/physical-book-vs-digital.htm
Getting lost in a book is one of life's greatest pleasures, but is a digital book just as pleasurable as a paper book? And which format is the best for learning?
Is Space Tourism Worth It?
science.howstuffworks.com/is-space-tourism-worth-it-news.htm
Today, Blue Origin flew its billionaire founder Jeff Bezos and three others into space, a week after Virgin Galactic flew its billionaire founder Richard Branson on the same mission. Will space tourism be more than a millionaire's hobby?