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How Digital Clocks Work
electronics.howstuffworks.com/gadgets/clocks-watches/digital-clock.htm
When you need to know the time, it's about a 50-50 chance you'll turn to some LEDs to find out. Ever wonder what goes on inside a digital clock or wristwatch? Find out about this basic digital technology -- and learn how to create your own digital timekeeper.
How is GPS used in spaceflight?
science.howstuffworks.com/how-is-gps-used-in-spaceflight.htm
GPS is great, but it's kind of Earth-centric. If we have our hearts set on traveling to distant planets and faraway stars, then it's time to come up with a new navigation system. NASA, of course, has an idea.
10 Countries With the Lowest Crime Rate, Based on Global Peace Index
people.howstuffworks.com/countries-with-lowest-crime-rate.htm
Feeling safe where you live is about more than just locking your door. It depends on everything from political stability to healthcare to how a country handles conflict.
What is the emission certification standard?
auto.howstuffworks.com/fuel-efficiency/hybrid-technology/emission-certification-standard.htm
What is the emission certification standard? Find out what the emission certification standard is at HowStuffWorks.
How do radio-controlled clocks set themselves to the atomic clock in Colorado?
electronics.howstuffworks.com/gadgets/clocks-watches/question461.htm
Many radio-controlled clocks automatically sync their time with the atomic clock in Boulder, Colorado. Learn about radio-controlled clocks.
Self-navigating Cane Could Better Lives for Visually Impaired
health.howstuffworks.com/human-body/systems/eye/stanford-self-navigating-cane-news.htm
Stanford researchers have developed a new cane, incorporating sensing and wayfinding approaches from robotics and self-driving vehicles. Could this new white cane reshape life for the visually impaired?
What is the economic impact of hybrid cars?
auto.howstuffworks.com/economic-impact-of-hybrid-cars.htm
What is the economic impact of hybrid cars? Visit HowStuffWorks to learn the economic impact of hybrid cars.
How Tankless Toilets Work
home.howstuffworks.com/tankless-toilet.htm
Tankless toilets, which conserve water and take up less space than standard models, are common in public restrooms and some urban homes. Are the benefits worth having one in your home?
12 States With the Lowest Taxes for Residents
money.howstuffworks.com/personal-finance/personal-income-taxes/states-with-lowest-taxes.htm
Looking to keep more of your paycheck? Some U.S. states make it a lot easier. The states with the lowest taxes generally offer a friendlier environment for individuals and businesses alike, cutting back on income, sales, and property tax burdens.
A Breathalyzer for Drugs? We're Not There Yet
electronics.howstuffworks.com/gadgets/automotive/breathalyzer-drugs-not-there-yet.htm
It's a lot harder to develop a breath test for marijuana and opioids than it is for alcohol. HowStuffWorks explains why.