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What's the difference between backscatter machines and millimeter wave scanners?
science.howstuffworks.com/backscatter-machines-vs-millimeter-wave-scanners.htm
Nope, these advanced imaging technologies are not the same. So whether you're concerned about privacy, safety or time as you're shuffling through the airport security line, we can tell you how these two types of scanners stack up against each other.
Pennsylvania’s Most Haunted Places
history.howstuffworks.com/historical-events/haunted-places-in-pennsylvania.htm
Discover the most haunted places in Pennsylvania, from eerie ghost towns to haunted asylums. Explore chilling legends and real paranormal encounters!
How the Space Launch System Will Work
science.howstuffworks.com/space-launch-system.htm
Have you met the driving force behind the U.S. space program for the foreseeable future? Take a second to get acquainted with the proposed blasting behemoth.
How FitBit Works
electronics.howstuffworks.com/gadgets/fitness/fitbit.htm
The FitBit tracker helps you stay healthy by nudging you to eat well, get exercise and get enough sleep. See how FitBit works.
How Betsy Ross Worked
history.howstuffworks.com/historical-figures/betsy-ross-worked.htm
History tells us that Betsy Ross designed and sewed America's first flag. But is that the truth or is it just legend? Find out more at HowStuffWorks.
How Standardized Patients Work
money.howstuffworks.com/standardized-patient.htm
Did you know there's an occupation that combines acting and medicine? Learn more about standardized patients at HowStuffWorks.
How Helmet Cameras Work
electronics.howstuffworks.com/gadgets/high-tech-gadgets/helmet-camera.htm
Helmet cameras allow you to capture shots that would be impossible otherwise. Learn about cool uses for helmet cameras and how they work.
How the Nintendo Power Glove Worked
electronics.howstuffworks.com/nintendo-power-glove.htm
The Nintendo Power Glove seemed like the gaming accessory of the future. Find out how the Power Glove worked and why it didn't deliver.
10 Historical Robots
science.howstuffworks.com/10-historical-robots.htm
We think of robots as modern inventions, or maybe even retro creations meant to realize futuristic visions. But automata go back - way back - into history.
5 Ways Your Skin Changes as You Age
health.howstuffworks.com/skin-care/beauty/anti-aging/5-ways-skin-changes-as-you-age.htm
There are different ways your skin changes as you age. Take a look at five of the most noticeable ways your skin changes as you age.