South Carolina i/ / is a state in the Southeastern United States. It is bordered to the north by North Carolina; to the south and west by Georgia, located across the Savannah River; and to the east by the Atlantic Ocean. Originally part of the Province of Carolina, the Province of South Carolina was the first of the 13 colonies that declared independence from the British Crown during the American Revolution. The colony was originally named by King Charles II of England in honor of his father Charles I (Carolus being Latin for Charles). South Carolina was the first state to ratify the Articles of Confederation, and the 8th state to ratify the US Constitution on May 23, 1788. South Carolina later became the first state to vote to secede from the Union which it did on December 20, 1860. It was readmitted to the United States on June 25, 1868.
South Carolina is the 40th most extensive and the 24th most populous of the 50 United States. South Carolina comprises 46 counties. The capital and largest city of the state is Columbia, while the largest MSA is Greenville.
Consumer electronics (abbreviated CE) are electronic equipment intended for everyday use, most often in entertainment, communications and office productivity.
Main products include radio receivers, television sets, MP3 players, video recorders, DVD players, digital cameras, camcorders, personal computers, video game consoles, telephones and mobile phones. Increasingly these products have become based on digital technologies, and have largely merged with the computer industry in what is increasingly referred to as the consumerization of information technology such as those invented by Apple Inc. and MIT Media Lab.
A radar detector is an electronic device used by motorists to detect if their speed is being monitored by police or law enforcement using a radar gun. Most radar detectors are used so the driver can reduce the car's speed before being ticketed for speeding. Only doppler radar-based devices can be detected — other speed measuring devices including those using ANPR, piezo sensors, and VASCAR technology cannot be detected. LIDAR devices require a different type of sensor, although many modern detectors include LIDAR sensors. Most of today's radar detectors detect signals across a variety of wavelength bands: usually X, K, and aK. In Europe the uK band is common as well.
An electronic countermeasure (ECM) is an electrical or electronic device designed to trick or deceive radar, sonar or other detection systems, like infrared (IR) or lasers. It may be used both offensively and defensively to deny targeting information to an enemy. The system may make many separate targets appear to the enemy, or make the real target appear to disappear or move about randomly. It is used effectively to protect aircraft from guided missiles. Most air forces use ECM to protect their aircraft from attack. It has also been deployed by military ships and recently on some advanced tanks to fool laser/IR guided missiles. It is frequently coupled with stealth advances so that the ECM systems have an easier job. Offensive ECM often takes the form of jamming. Defensive ECM includes using blip enhancement and jamming of missile terminal homers.
First example of electronic countermeasures being applied in a combat situation took place during the Russo-Japanese war. On April 15, 1904, Russian wireless telegraphy stations installed in the Port Arthur fortress and on board Russian light cruisers successfully interrupted wireless communication between a group of Japanese battleships. The spark-gap transmitters in the Russian stations generated senseless noise while the Japanese were making attempts to coordinate their efforts in the bombing of a Russian naval base. Germany and Great Britain interfered with enemy communications along the western front during World War I while the Royal Navy tried to intercept German naval radio transmissions. There were also efforts at sending false radio signals, having shore stations send transmissions using ships' call signs, and jamming enemy radio signals.
A laser jammer is an electronic device used by drivers to prevent law enforcement officers from obtaining speed readings with a LIDAR (or 'laser) gun. Laser jammers are not to be confused with radar jammers.
To jam police laser guns, laser jammers first must detect the light emitted by a police officer's laser gun - normally light on the 904 nm wavelength. After detecting the lidar gun's light, the jammer will send out light on the same wavelength at a higher intensity, effectively confusing the gun into returning no speed reading. Newer laser jammer models can detect the pulse rate (the rate at which the gun takes distance measurements, upon which it bases the speed measurement) of the laser gun, and then emulate that pulse rate, further increasing the difficulty of getting an accurate reading from the laser gun.
A lidar detector or laser detector is a passive device designed to detect the infrared emissions of law enforcement agencies' lidar speed detection devices and warn motorists that their speed is being measured.
A limitation of lidar is that it cannot be used while a police car is in motion, because it requires the operator to actively target each vehicle, whereas traditional radar can be operated while the police officer is driving his car. Other restrictions include a precipitation free environment, as the laser can produce erratic readings from airborne moisture or smoke. Popularity of lidar speed detection is on the rise, though, as costs decline, ease of operation approaches radar, and existing radar equipment reaches its end-of-service life and is rotated out of service.
Traffic on roads may consist of pedestrians, ridden or herded animals, vehicles, streetcars and other conveyances, either singly or together, while using the public way for purposes of travel. Traffic laws are the laws which govern traffic and regulate vehicles, while rules of the road are both the laws and the informal rules that may have developed over time to facilitate the orderly and timely flow of traffic.
Organized traffic generally has well-established priorities, lanes, right-of-way, and traffic control at intersections.
The term crime does not, in modern times, have any simple and universally accepted definition, but one definition is that a crime, also called an offence or a criminal offence, is an act harmful not only to some individual, but also to the community or the state (a public wrong). Such acts are forbidden and punishable by law.
Finance is the practice]citation needed[ of funds management, or the allocation of assets and liabilities over time under conditions of certainty and uncertainty. A key point in finance is the time value of money, which states that a unit of currency today is worth more than the same unit of currency tomorrow. Finance aims to price assets based on their risk level, and expected rate of return. Finance can be broken into three different sub categories: public finance, corporate finance and personal finance.