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How Does Relative Humidity Affect How I Feel Outside?
science.howstuffworks.com/nature/climate-weather/atmospheric/question651.htm
We hear about humidity in just about every weather report on the nightly news. There are several different ways meteorologists measure humidity, but relative humidity is the most common measurement. What is relative humidity, though?
How Does a Blood Pressure Gauge Work?
science.howstuffworks.com/innovation/everyday-innovations/question146.htm
It's technical name is sphygmomanometer and it takes your blood pressure. But how does it do that?
How Does a Dippy Bird Work?
science.howstuffworks.com/innovation/science-questions/question608.htm
How does a Dippy Bird work?
How Does a Forest Fire Benefit Living Things?
science.howstuffworks.com/environmental/green-science/how-forest-fire-benefit-living-things-.htm
Forest-fire prevention has been a touchstone of American consciousness since the creation of Smokey the Bear in the 1940s. But now, environmental experts believe that some amount of fire is good for the forest too.
How Does a Fresnel Lens Work? The Magic Behind the Glass
science.howstuffworks.com/question244.htm
I have a thin piece of plastic mounted on the back window of my RV. It magnifies things so I can see better when I'm backing up. How can such a thin piece of plastic magnify things? A regular glass magnifying lens would have to be curved on both sides and much thicker.
How Does a Lie Detector (Polygraph) Work?
science.howstuffworks.com/question123.htm
You may know a bit about polygraphs, but do you know which physical reactions it actually monitors?
How Does a Seismograph Work?
science.howstuffworks.com/environmental/earth/geophysics/question142.htm
A seismograph can accurately measure the movement of the Earth during a quake. How does a seismograph work, though, and what is the Richter scale that is associated with earthquakes? Learn the answers to these questions in this article.
How Does a Silencer Work?
science.howstuffworks.com/question112.htm
How in the world can a gun silencer work? How can you possibly take an explosive noise that can damage your hearing and turn it into a little "ffft" sound?
How Does an Invisibility Cloak Work?
science.howstuffworks.com/invisibility-cloak.htm
With optical-camouflage technology, the invisibility cloak is a reality. Learn what it is.
How Donating Your Body to Science Works
science.howstuffworks.com/life/biology-fields/donating-body-to-science.htm
There's a great need for people to donate their bodies to science but not many people think about doing it. What happens to your body after you make that decision?