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What Is a Group of Fish Called? Not Always a School
animals.howstuffworks.com/fish/what-is-a-group-of-fish-called.htm
A group of fish swimming together is usually called a school or a shoal, but these terms aren't interchangeable.
How Facial Recognition Technology Works
electronics.howstuffworks.com/gadgets/high-tech-gadgets/facial-recognition.htm
Humans have always had the innate ability to recognize and distinguish faces, but computers only recently have shown the same ability. Learn how facial recognition systems work.
How Spy Flies Will Work
science.howstuffworks.com/spy-fly.htm
Gathering reconnaissance during battle typically puts small teams of soldiers in harm's way. Tiny robotic flyers, called micro air vehicles (MAVs), could do away with this danger. Learn all about spy flies.
How Ozone Pollution Works
science.howstuffworks.com/environmental/green-science/ozone-pollution.htm
We want the ozone layer, but we don't want ozone pollution... Good in the atmosphere but bad on the ground? Find out about ozone pollution, how it affects you and what you can do about it.
How Solar Sail Technology Works
science.howstuffworks.com/solarsail.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.
Why don't we live underground?
people.howstuffworks.com/live-underground.htm
To live underground takes some serious planning: We've adapted to sunlight and air on the surface. Learn how to live underground and why it matters.
How Police Robots Work
science.howstuffworks.com/police-robot.htm
Police robots will soon be roaming the streets thanks to developments in technology. Learn about police robots and the new police robot R Bot 001.
How Cell-phone Viruses Work
electronics.howstuffworks.com/cell-phone-virus.htm
Although they can't do much damage at present, in the future cell-phone viruses may be as debilitating as computer viruses. Learn how cell-phone viruses spread, what they can do, and how you can protect your phone.
How Bluetooth Works
electronics.howstuffworks.com/bluetooth.htm
Bluetooth allows electronic equipment to connect without wires. So how does it work?
How Differentials Work
auto.howstuffworks.com/differential.htm
Differentials let cars make turns with ease. Find out how the differential allows the wheels to rotate at different speeds.