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What's an Easy Way to Convert Celsius to Fahrenheit?
science.howstuffworks.com/math-concepts/how-convert-celsius-to-fahrenheit.htm
We'll show you both a quick and dirty way, and a precise, more complicated formula for converting Celsius to Fahrenheit (and vice versa).
Why do you have to turn your phone on at airport security?
Going through airport security is the worst part of flying for most people. Now you may be asked to turn your cell phone on in the security line. Why do you have to do that? And does it really keep us safe?
Which Florida City Should You Live In?
play.howstuffworks.com/quiz/which-florida-city-should-you-live
It goes way beyond which Florida college football team you support, but that is a very important piece of the puzzle. Let's see what other factors are involved.
How do you build an underwater tunnel?
science.howstuffworks.com/engineering/structural/build-underwater-tunnel.htm
Underwater tunnels are so commonplace that we rarely think of the great dangers -- and extreme construction techniques -- these modern wonders require. With the opening of the Marmaray Tunnel in October 2013, it's time to take a second look.
How does a laser speed gun work to measure a car's speed?
auto.howstuffworks.com/car-driving-safety/safety-regulatory-devices/question396.htm
How does a laser speed gun work to measure a car's speed? How is it different from a radar gun?
Some Chinese Restaurants Laced Food With Opium—What Would Happen if You Ate It?
recipes.howstuffworks.com/food-science/chinese-restaurants-food-opium.htm
Could Chinese food laced with opium actually make you return to the same restaurant? Learn more in this HowStuffWorks Now article.
What Is Radar?
science.howstuffworks.com/radar.htm
Radar is used to track storms, planes, and weapons and also to create topographic maps. Learn about radar, radar technology and Doppler shift.
Can You Ace This 12th Grade Physics Quiz?
play.howstuffworks.com/quiz/can-you-ace-this-12th-grade-physics-quiz
You're gonna have to get PHYSIC-al with this quiz. It's so easy, a high schooler can do it! Actually, some of them can't. Do you think you can get a better score than a 12th-grader?
How Nirvana Works
science.howstuffworks.com/science-vs-myth/extrasensory-perceptions/nirvana.htm
The word "nirvana" gets thrown around in conversation all the time, often to describe a state of joy or supreme happiness. Actually, it's more than that -- a whole lot more. Find out what nirvana is.
How Solar Sails Work
science.howstuffworks.com/solar-sail.htm
What is a solar sail? How can you use sunlight to move a spacecraft in outer space? In this article, HowStuffWorks will show you how solar sail technology works, take an in-depth look at the Cosmos-1 mission and find out what solar-sails mean for future space travel.