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How Thermal Imaging Works
electronics.howstuffworks.com/thermal-imaging.htm
Thermal cameras take photos of heat, rather than visible light. Find out how temperature is captured as an image.
How China's Pollution Sniffers Work
science.howstuffworks.com/environmental/green-science/pollution-sniffer.htm
Air pollution in China has spurred the training of air pollution sniffers to detect toxic gas. Read more about air pollution detection through smell.
10 of the World's Most Groundbreaking Futurists
electronics.howstuffworks.com/future-tech/10-groundbreaking-futurists.htm
These futurists have amazing minds and some amazing predictions. See 10 of the world's most groundbreaking futurists here.
Test Your Law Enforcement Knowledge With This Quiz
play.howstuffworks.com/quiz/test-your-law-enforcement-knowledge-with-this-quiz
No one can escape the long arm of the law, unless, of course, the law isn't paying attention. Law enforcement is a profession for people who don't mind putting themselves in the middle of conflicts, being in danger, and spending most of their lives filling out paperwork. How much do you know about law enforcement?
Rose Color Meanings: What Each Hue Symbolizes in Flower Language
science.howstuffworks.com/science-vs-myth/extrasensory-perceptions/rose-color-meanings.htm
Red isn't just for romance? Discover the shocking truth behind rose colors that florists don't tell you. Sending the wrong shade could reveal feelings you never intended.
Amazonite Meaning: Healing Properties, Benefits & Spiritual Power
science.howstuffworks.com/environmental/earth/geology/amazonite-meaning.htm
Discover Amazonite meaning: a soothing gemstone of balance. Explore its calming properties and spiritual significance. Dive into Amazonite's world.
What Is the Point of Daylight Saving Time?
science.howstuffworks.com/innovation/everyday-innovations/daylight-saving-time.htm
We humans aren't complete slaves to time. We've devised ways to pack an extra hour of sunshine into our day, thanks to daylight saving time. But who came up with this idea and why do so many people loathe it?
How Earthquake-resistant Buildings Work
science.howstuffworks.com/engineering/structural/earthquake-resistant-buildings.htm
Sometimes it seems as though Earth has been hitting the caffeine a little too hard, with all the shakes from earthquakes. So, how do structures stand strong amid all those quakes?
How Pepper Spray Works
home.howstuffworks.com/home-improvement/household-safety/pepper-spray.htm
Pepper spray is a common law enforcement and self-defense tool. Check out this article and learn all about how pepper spray works.
Who was Marco Polo?
history.howstuffworks.com/historical-figures/who-was-marco-polo.htm
Marco Polo was an 11th-century Italian explorer responsible for bringing information about China to Europe. Read about Marco Polo and his biography.