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Why the Inside of a Tornado Gets Super Cold, Leaves You Gasping for Air
science.howstuffworks.com/nature/natural-disasters/cold-thin-air-inside-tornado-vortex.htm
Researchers from Montreal's Concordia University have figured out why the air inside a tornado vortex is cooler and less dense than the surrounding air.
How to Build a DVR
electronics.howstuffworks.com/how-to-tech/how-to-build-dvr.htm
To build a DVR can be a cheaper option than buying one in the store. See these easy instructions on how to build a DVR at HowStuffWorks.
How Speedometers Work
auto.howstuffworks.com/car-driving-safety/safety-regulatory-devices/speedometer.htm
Speedometers have been around since the early 1900s, when cars were more popular and people drove a lot faster. Learn how speedometers work and what's in store for speedometers in the future.
How ATMs Work
money.howstuffworks.com/personal-finance/banking/atm.htm
''You can stop at an ATM, enter a PIN and leave with cash. Learn about the machines that give you money and the network that approves the transactions!''
How Exploding Manholes Work
science.howstuffworks.com/environmental/energy/exploding-manhole.htm
Manhole covers have been blasting out of the ground in New York City. Find out what causes these strange explosions and how powerful they really are.
How are movies stored on DVD discs?
electronics.howstuffworks.com/question596.htm
How are movies stored on DVD discs? Learn about storage capacity, data compression and the Moving Picture Experts Group (MPEG).
What Does 1080p Mean?
electronics.howstuffworks.com/what-does-1080p-mean.htm
You've probably seen 1080p while using a TV or video streaming service. But what does it mean? Let's get into the details!
Is the computer a good model for the brain?
science.howstuffworks.com/life/inside-the-mind/human-brain/computer-brain-model.htm
Are computers a good model for the human brain? Computers can store and retrieve information reliably. Read about the computer brain model.
Remember Pay Phones? Philly's Bringing Them Back for Free
electronics.howstuffworks.com/pay-phones-coming-back-free.htm
Since the advent of the cell phone, public pay phones have disappeared, but a new initiative to help the phoneless may just be bringing them back.
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.