Sensations, however -- responses to stimuli like pressure, light or chemical composition -- become perceptions like touch, vision or taste only when they reach the brain. 2007 HowStuffWorks. There are many different ways of bringing everything together. HowStuffWorks got its start in 1998 at a college professor's kitchen table. This is a camera where the photographer sees exactly the same image that is exposed to the film and can adjust everything by turning dials and clicking buttons. The differential is found on all modern cars and trucks, and also in many all-wheel-drive (full-time four-wheel-drive) vehicles. Cite This! Computer Hardware. There is something magical about the process -- humans are visual creatures, and a picture really does paint a thousand words for us! Then, when it cools down, they turn the current back on. The POST is a small computer program within the BIOS that checks for hardware failures. A rotary engine does these same four . With permission from the patient, get friends, family and community involved. Unlike other movements -- for example, the introduction of the cassette tape or the CD-- the MP3 movement started not with the industry itself but with a huge audience of music lovers on the Internet.The MP3 format for digital music has had, and will continue to have, a huge impact on how people . Anything that's powdered and suspended in the air has far more surface area exposed to oxygen per unit weight, which can easily cause an explosion. In this article, we'll look at a manual single-lens-reflex (SLR) camera. The following is a summary of the boot process in a PC: The power button activates the power supply in the PC, sending power to the motherboard and other components. Lucky for you, HowStuffWorks Play is here to help. Science is all about understanding the world in which we live, and our fun science projects for kids are a great way to do just that. 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. Step 2: Cut a rectangle out of the other end of the shoe box. Now this . The first modern air conditioning system was developed in 1902 by a young electrical engineer named Willis Haviland Carrier. This phase is known as algor mortis, or the death chill. Check out articles and video about the world of Earth science at HowStuffWorks. How to Split Screen on a Mac. HowStuffWorks.com. HowStuffWorks Science has explanations and colorful illustrations related to earth science, life science, and other wonders of the physical world. Statistics vary regarding how much methane the average dairy cow expels. After adding a staff of writers, artists, and editors, content expanded to a larger array of topics. Parents need to know that HowStuffWorks.com is an award-winning educational site that provides historical information about many age-appropriate topics (these topics include, but aren't limited to, animals, culture, automobiles, politics, money, science, and entertainment). Lucky for you, HowStuffWorks Play is here to help. Unlike an airplane or helicopter propeller, which starts spinning while the vehicle is completely still, you throw the boomerang, so that in addition to its spinning propeller motion, it also has the motion of flying through the air.. For example, set up a Meal Train complete with allergies, food sensitivities, dates, times and so on. How Photographic Film Works. Our award-winning website offers reliable, easy-to-understand explanations about how the world works. A fan collects air from the surrounding area and pulls it into the dehumidifier. In this early battery, a copper plate was placed at the bottom of a glass jar and a copper sulfate solution was poured over the plate to half-fill the jar. imagine pinching a rubber hose with your fingers to stop the flow of water, and you've got . The collected moisture remains on the coils and drips into the dehumidifier's reservoir. There should be enough water in the glass so that about 3/4 of the sweet potato is covered. HowStuffWorks.com is headquartered in Atlanta, Georgia, and is a division of System1. ©2001 HowStuffWorks. Some experts say 100 liters to 200 liters a day (or about 26 gallons to about 53 gallons), while others say it's up to 500 liters (about 132 gallons) a day. Karim Nice "How Washing Machines Work" 31 October 2000. They compress the air flowing into the engine (see How Car Engines Work for a description of airflow in a normal engine). Circular shapes are also stronger and resist deformation, making them more able to withstand the repeated pressure differences between the . FIND OUT MORE. After the heart stops beating, the body immediately starts turning cold. Before the invention of the light bulb, illuminating the world after the sun went down was a messy, arduous, hazardous task. Books. All the extra heat created by compressing the gas is then evacuated to the outdoors with the help of a second set of coils called condenser coils, and a second fan. Articles use simple terms to be accessible to a wide age range. The site receives 25 million pageviews per month. In this article, we'll look at a manual single-lens-reflex (SLR) camera. The advantage of compressing the air is that it lets the engine squeeze more air into a cylinder, and more air means that more fuel can be added. People have been using camera and film for more than 100 years, both for still photography and movies. the bop's function is to prevent gas and oil from rushing too quickly up into the pipe inside the rig, which can cause the sort of explosion that destroyed the deepwater horizon. HowStuffWorks is an education website dedicated to satiating curiosity and explaining the world around you. HowStuffWorks. Sheet-fed scanners are similar to flatbed scanners except the document is moved and the scan head is immobile. Breathalyzer. In this article, we'll take a quick look at each of the existing or emerging fuel-cell technologies. on a deepwater oil rig, perhaps the most crucial piece of safety equipment is a device called the blowout preventer, or bop. Stimulate the making of red blood cells. One end of the needle is often marked "N," for north, or colored in some way to indicate that it points toward north. The POST is a small computer program within the BIOS that checks for hardware failures. This is a camera where the photographer sees exactly the same image that is exposed to the film and can adjust everything by turning dials and clicking buttons. We'll start by explaining how the washing machine cleans clothes, then we'll take a look at how the machine is put together. To keep the heating element from overheating, there are also components such as sensors and fuses. The differential is a device that splits the engine torque two ways, allowing each output to spin at a different speed. In a black-and-white screen, there is one phosphor that glows white when struck. Find out how CDs (and CD-ROMs, CD-Rs, CD-RWs) hold and let you retrieve information. From fun quizzes that bring joy to your day, to compelling photography and fascinating lists, HowStuffWorks Play offers something for everyone. But first, let's take a close look at silicon. In coffee makers, sensors detect if the coil is getting too hot and cut off the current. People with CIPA tend to overwork their joints. People have been using camera and film for more than 100 years, both for still photography and movies. HowStuffWorks.com You hear about fiber-optic cables whenever people talk about the telephone system , the cable TV system or the Internet. This is a cool spiral roll of 35mm camera film. Someone with CIPA won't, and the extra wear and tear can cause swelling and serious injuries to the pelvis, knees and other joints. Taste begins with sensation in the form of electrical impulses. As the air passes through, it comes into contact with the dehumidifier's cooled coils. Step 1: On one end of a shoe box, cut a hole just big enough for a flashlight to fit into. From there, we quickly grew into an award-winning source of unbiased, reliable, easy-to-understand answers and explanations of how the world actually works.Today, our writers, editors, podcasters and video hosts share all the things we're most excited to learn about with nearly 30 million visitors to the site each month. There is something magical about the process -- humans are visual creatures, and a picture really does paint a thousand words for us! The Body After Death. Sean Gladwell / Getty Images. The top of the square is labeled with the possible alleles from the mother, and the left side of the square logs the alleles contributed by the father.
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