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How Solar Cells Work | HowStuffWorks
The solar panels that you see on power stations and satellites are also called photovoltaic (PV) panels, or photovoltaic cells, which as the name implies (photo meaning "light" and voltaic meaning "electricity"), convert sunlight directly into electricity. A module is a group of panels connected electrically and packaged into a frame (more …
How Hot Air Balloons Work
HowStuffWorks All of this is assuming that the air in the balloon and the air outside the balloon exist under exactly the same conditions. If we change the conditions of the air inside the balloon, we can decrease density, while keeping air pressure the same.
How X-rays Work
As with many of mankind's monumental discoveries, X-ray technology was invented completely by accident. In 1895, a German physicist named Wilhelm Roentgen made the discovery while experimenting with electron beams in a gas discharge tube.Roentgen noticed that a fluorescent screen in his lab started to glow when the …
History | HowStuffWorks
Travel space and time to explore our world’s regions and civilizations. The History section takes you across battlefields, into palaces and through the remote villages and growing cities that have created the world we see today.
Lifestyle | HowStuffWorks
The HowStuffWorks guide is dedicated to helping you make that special day reflect your (and your spouse-to-be's) personality. From rings to roses and dresses to first dances we've got it all. Wedding Pet Attendants Prep Your Pooch for a Pawfect Day. FIND OUT MORE. Elopement: First Choice or Last Resort?
About HowStuffWorks
HowStuffWorks explains the curiosities of our world, delving into everything from cyber security and housecleaning tips to the physics of black holes and the history of slang.
How Radar Works
Detect objects: Usually, the object is moving, like an airplane being detected by air traffic controllers, but radar can also be used to detect stationary objects buried underground.In some cases, radar's target detection can identify details like the type of aircraft it has detected. Detect the speed of an object: This is the reason why police use …
How Lasers Work
Lasers are used in dental drills, eye surgery and even tattoo removal. But what exactly is a laser? There are numerous types, but all lasers work basically the same way. Learn how they generate such concentrated beams of light.
Computer Hardware
By HowStuffWorks Contributors . How Parallel Ports Work. The parallel port is still an obsolete way to connect a printer to a PC. Learn how parallel ports operate and how they came about. By Jeff Tyson. Why Is My Computer So Slow? 5 Reasons and How to Fix Them. Your computer is working slower than molasses, but why? ...
How Fire Works
Something heats the wood to a very high temperature. The heat can come from lots of different things -- a match, focused light, friction, lightning, something else that is already burning... When the wood reaches about 300 degrees Fahrenheit (150 degrees Celsius), the heat decomposes some of the cellulose material that makes up the wood.
How MRI Works
The strength of a magnet in an MRI system is rated using a unit of measure known as a tesla.Another unit of measure commonly used with magnets is the gauss (1 tesla = 10,000 gauss). The magnets in use today in MRI systems create a magnetic field of 1.5-tesla to 7.0-tesla, or 15,000 to 70,000 gauss.
Videos
HowStuffWorks explains thousands of topics, from engines to lock-picking to ESP, with video and illustrations so you can learn how everything works.
Auto | HowStuffWorks
The HowStuffWorks Auto Section contains articles about everything from engine workings to classic cars. Learn about cars on HowStuffWorks Auto.
Quizzes and Trivia | HowStuffWorks
Know a lot stuff? Want to learn even more? Challenge yourself with HowStuffWorks trivia and quizzes!
How-to Tech
How-to Tech. This How-to Tech section is full of great articles explaining how to handle the increasing amount of technological objects in your life. Visit the How-to Tech guide and learn how to become the tech expert in …
The Venn Diagram: How Circles Illustrate Relationships
HowStuffWorks. There are lots of ways we can represent data in visual ways: a bar graph, a pie chart, an interpretive dance if you're into that sort of thing. But one fun way to present information is through a Venn diagram, which tells you the ways in which things are different and similar by placing them in overlapping circles.
Electronics | HowStuffWorks
HowStuffWorks Electronics answers your home theater system questions and more. Find explanations, reviews, videos and prices on cameras & photography, personal audio, home audio & video systems, HDTVs and cell phones.
Environmental Science
By HowStuffWorks. Unlocking the Power of Obsidian Meaning: Uses, Benefits, Color, and Healing Properties. Unveil the profound obsidian meaning. Explore its spiritual, protective, and healing properties. Delve …
How LCDs Work
You probably use items containing an LCD (liquid crystal display) every day.They are all around us -- in laptop computers, digital clocks and watches, microwave ovens, CD players and many other electronic devices. LCDs are common because they offer some real advantages over other display technologies.
How Car Engines Work | HowStuffWorks
There are different kinds of internal combustion engines. Diesel engines are one type and gas turbine engines are another. Each has its own advantages and disadvantages. There is also the external combustion engine.The steam engine in old-fashioned trains and steam boats is the best example of an external combustion engine. The fuel (coal, wood, oil) in …
How Your Brain Works
All of these tasks are coordinated, controlled and regulated by an organ that is about the size of a small head of cauliflower. Your brain, spinal cord and peripheral nerves make up a complex, integrated information-processing and control system known as your central nervous system.In tandem, they regulate all the conscious and unconscious facets of …
10 Scientific Laws and Theories You Really Should Know
Both laws and theories depend on basic elements of the scientific method, such as generating a hypothesis, testing that premise, finding (or not finding) empirical evidence and coming up with conclusions.Eventually, other scientists must be able to replicate the results if the experiment is destined to become the basis for a widely accepted law or theory.
How Light Works
Some of the brightest minds in history have focused their intellects on the subject of light. Einstein even tried to imagine riding on a beam of light. We won't get that crazy, but we will shine a light on everything scientists have found so far.
How Does AI Work?
How does AI work?It helps to start at the beginning. Back in October 1950, British techno-visionary Alan Turing published an article called "Computing Machinery and Intelligence," in the journal MIND that …
How Electric Motors Work
The key to an electric motor is to go one step further so that, at the moment that this half turn of motion completes, the field of the electromagnet flips.You flip the magnetic field by changing the direction of the electrons flowing in the wire, which means flipping the battery over.
How Hydraulic Machines Work
From backyard log splitters to the huge machines you see on construction sites, hydraulic equipment is amazing in its strength and agility! On any construction site you see hydraulically operated machinery in the form of bulldozers, backhoes, shovels, loaders, fork lifts and cranes. Hydraulics operate the control surfaces on any large airplane.You see …
How Hurricanes Work
Drone picture of a damaged road left by Hurricane Iota in San Andres, Colombia, Nov. 17, 2020. MICHAEL AREVALO/AFP via Getty Images. Hurricanes are powerful storms, and captivate human imagination. Hurricane Harvey hit Texas in August 2017, flooding one of the largest metro areas in the United States. Less than two weeks later, thoughts turned …
Home and Garden | HowStuffWorks
HowStuffWorks Home answers your home and lifestyle questions. Find explanations, reviews, opinions and prices on appliances, home improvement, lawn care and more.
Quizzes and Trivia | HowStuffWorks
HowStuffWorks Newsletter. Quizzes and Trivia The Ultimate New Year's Quiz Take the Quiz. Topics to Explore: Animals Cars, Trucks & Engines TV, Film & Music All About You! Love & Relationships Sports Trivia The World More. Advertisement. What's Your Cuddle Style? Can You Name Jesus' Parable from a One Sentence Description? ...
Tech | HowStuffWorks
HowStuffWorks Electronics answers your home theater system questions and more. Find explanations, reviews, videos and prices on cameras & photography, personal audio, …
How Automatic Transmissions Work | HowStuffWorks
Also, locking any two of the three components together will lock up the whole device at a 1:1 gear reduction. Notice that the first gear ratio listed above is a reduction-- the output speed is slower than the input speed.The second is an overdrive-- the output speed is faster than the input speed.The last is a reduction again, but the output direction is reversed.