If the sight of a mushroom cloud burning above the horizon suggests that the nuclear weapon-equipped world might end with a bang, then nuclear winter presents the notion that post-World War III humanity might very well die with a whimper.
Can you walk to restaurants from your home? Or do you have to hop in the car for every outing? How do you determine your neighborhood's walkability without taking to the streets yourself?
We humans are mobile. Long before flight, FusionMan or even your average automobile arrived on the scene, trains were transporting us all over civilization. How did we get from horse-drawn carts to high-speed trains?
Electricity completely surrounds us whether you're charging your cell phone or watching the sky light up during a violent thunderstorm. For most of us, modern life would be impossible without it, and the natural world relies on it.
Science explains and demystifies the world through the objective of gathering and analyzing data. Explore the natural world, engineering, space, military technology, physics and even supernatural phenomena.
Earth Science is a wide, scientific discipline covering all facets of how the earth works. Learn about weather, global warming, natural disasters and how the world’s oceans function. See more »
Engineering is the discipline of design and construction of mechanical devices, equipment, structures and public works systems. Topics include aircraft technologies, buildings, bridges, robotics and heavy machinery. See more »
There's a lot of science at work in your daily life. Ever wonder how an aerosol can works or how light sticks work? Explore the science behind commonly used objects. See more »
From the smallest microbe to the largest mammal, Life Science explores the origins, evolution and expansion of life in all its forms. Explore a wide range of topics from animal profiles to genetics and conservation. See more »
Explore the weapons and combat systems used by the armed services. A broad range of topics in the Military Channel include tanks, aircraft, biological warfare and stealth technologies. See more »
Physical science is the study of the properties and structures of matter, space and time. This section introduces major concepts in physics, as well as exploring special areas like special relativity and forensics. See more »
Explore the vast reaches of space and mankind’s continuing efforts to conquer the stars, including theories such as the Big Bang, the International Space Station, plus what the future holds for space travel and exploration. See more »
Supernatural or paranormal science deals with controversial topics on the fringes of accepted scientific inquiry. Here you can learn about ghosts, aliens, strange phenomena and creatures like Bigfoot. See more »
In November 2006, the Silent Aircraft Initiative introduced its answer to aircraft noise and air pollution: a proof-of-concept model called SAX-40.
At HowStuffWorks, we're always curious, and 2008 gave us a lot to be curious about -- financial bailouts, skyrocketing food prices and, of course, the Google algorithm. Here are our top 10 questions of the year -- answered. What are yours?
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What would nuclear winter be like?
What's a walk score?
How Trains Work
How Electricity Works
