HOW AN ELECTRIC GENERATOR WORKS Electrical generators by definition are devices that convert mechanical energy into electric energy. The mechanical energy in turn is produced from chemical or nuclear energy in various types of fuel‚ or obtained from renewable sources such as wind or falling water. Steam turbines‚ internal-combustion engines‚ gas combustion turbines‚ electric motors‚ water and wind turbines are the common methods to supply the mechanical energy for such devices. Generators
Free Electrical generator Electricity Magnetic field
How Does the Thermometer Work? A thermometer is a device that measures the temperature of things. The name is made up of two smaller words: "Thermo" means heat and "meter" means to measure. You can use a thermometer to tell the temperature outside or inside your house‚ inside your oven‚ even the temperature of your body if you’re sick. One of the earliest inventors of a thermometer was probably Galileo. We know him more for his studies about the solar system and his "revolutionary" theory
Premium Temperature Celsius
HOW CANCER CELLS WORK A diagnosis of cancer can be devastating. And there is good reason for this fear -- Cancer is the second leading cause of death in the United States next to heart disease‚ and will claim more than half a million lives this year. Cancer also known as a malignant tumor or malignant neoplasm‚ is a group of diseases involving abnormal cell growth with the potential to invade or spread to other parts of the body. Not all tumors are cancerous;benign tumors do not spread to other
Premium Cancer
How Your Heart Works [pic] Your heart is a pump. It keeps blood moving around your body. The blood delivers oxygen and nutrients to all parts of your body‚ and carries away unwanted carbon dioxide and other waste products. The heart has four chambers - two on the left side and two on the right. The two upper chambers are called the atria‚ and the two lower chambers are called the ventricles. The two sides of the heart are divided by a muscular wall called the septum. Each side of the heart
Premium Heart
How Nuclear Power Works The nuclear power plant stands on the border between humanity’s greatest hopes and its deepest fears for the future. On one hand‚ atomic energy offers a clean energy alternative that frees us from the shackles of fossil fuel dependence. On the other‚ it summons images of disaster: quake-ruptured Japanese power plants belching radioactive steam‚ the dead zone surrounding Chernobyl’s concrete sarcophagus. But what happens inside a nuclear power plant to bring such marvel
Premium Nuclear power Chernobyl disaster
Marquee A. Villanueva How a Fax Machine Works It is very typical and practical in an office to have a fax machine. Every time you walk in to an office‚ you may see one of these machines but have you ever wondered how they work? Have you ever thought‚ how can a machine transfer information from one phone to another without really sending the original document? Some people might think it’s magic but it is actually not. It is science in use‚ technology. All of this may sound to high-tech
Premium Telephone
The human body has five senses that keep in touch with what is going on in the external world: touch‚ taste‚ smell‚ sight‚ and hearing. Below I will describe how these senses work. Taste- The tongue is the body part that helps us sense taste. The tongue consists of taste buds (mushroom like projections) which are specific receptors for sense of taste. Each bud contains several cell types in microvilli that project through pores and chemically sense food. Gustatory receptor cells communicate with
Premium Olfaction Ear Eye
between machines. Ideally‚ TCP/IP is used whenever Windows-based computers communicate over networks. This subject describes the components of the TCP/IP Protocol Suite‚ the protocol architecture‚ which functions TCP/IP performs‚ how addresses are structured and assigned‚ and how packets are structured and routed. Microsoft Windows Server 2003 provides extensive support for the Transmission Control Protocol/Internet Protocol (TCP/IP) suite‚ as both a protocol and a set of services for connectivity and
Premium IP address Transmission Control Protocol
Essay How to balance Penn Foster studies with work and/or family demands. As a Penn Foster student I stride myself on balancing both my work and personal demands whenever possible. I know it’s very important to make time for my school work‚ and I really do try my best to take time out to do my school work‚ but sometimes it can be very difficult‚ especially when I have two jobs and coming home tired and drained. Working with the elderly full time and then leave and go straight to my part time
Premium Education University High school
|(Name of company) | |Overall and final responsibility for health and safety is that of: | | |
Premium Occupational safety and health Risk assessment Risk