Infrared (IR) light is used by electrical heaters, cookers for cooking food, short-range communications like remote controls, optical fibres, security systems and thermal imaging cameras which detect people in the dark.

Television (TV), the electronic delivery of moving images and sound from a source to a receiver. By extending the senses of vision and hearing beyond the limits of physical distance, television has had a considerable influence on society. Conceived in the early 20th century as a possible medium for education and interpersonal communication, it became by mid-century a vibrant broadcast medium, using the model of broadcast radio to bring news and entertainment to people all over the world.

Gas is a state of matter that has no fixed shape and no fixed volume. Gases have a lower density than other states of matter, such as solids and liquids. There is a great deal of empty space between particles, which have a lot of kinetic energy and aren't particularly attracted to one another.16 Feb 2022

Telecommunication is communication at a distance using electrical signals or electromagnetic waves. Examples of telecommunications systems are the telephone network, the radio broadcasting system, computer networks and the Internet.23 Aug 2021

A computer is a machine that can store and process information. Most computers rely on a binary system, which uses two variables, 0 and 1, to complete tasks such as storing data, calculating algorithms, and displaying information.

Computers, trucks and manufacturing machinery are all examples of equipment. They are tangible because they have a physical form—unlike intangible assets (such as patents, trademarks or copyrights) that do not.

Bioluminescence occurs through a chemical reaction that produces light energy within an organism's body. For a reaction to occur, a species must contain luciferin, a molecule that, when it reacts with oxygen, produces light.30 Apr 2018

Here are five of the most common drilling methods used in extracting oil and gas from beneath the earth: Percussion or Cable Drilling. Rotary Drilling. Dual-Wall Reverse-Circulation Drilling. Electro-Drilling. Directional Drilling. 1 Sept 2016

Examples of cybernetic systems are various kinds of automatic control devices in engineering (for example, an automatic pilot or a controller that maintains a constant temperature in a room), electronic computers, the human brain, biological populations, and human society.

Haptics are any type of technology that gives you a tactile response — for example, when your phone vibrates. If you use an iPhone, you may be familiar with Haptic Touch, a feature which vibrates your phone when you long-press the screen.16 Apr 2021

adjective. capable of flowing and easily changing shape. of, concerned with, or using a fluid or fluids. constantly changing or apt to change. smooth in shape or movement; flowing.

Examples of Molecules H2O (water) N2 (nitrogen) O3 (ozone) CaO (calcium oxide) C6H12O6 (glucose, a type of sugar) NaCl (table salt)

Define domestic. domestic synonyms, domestic pronunciation, domestic translation, English dictionary definition of domestic. adj. 1. Of or relating to the family or household: domestic chores. 2. Fond of home life and household affairs. 3. Tame or domesticated. Used of animals. Domestic - definition of domestic by The Free Dictionary

History is the study of change over time, and it covers all aspects of human society. Political, social, economic, scientific, technological, medical, cultural, intellectual, religious and military developments are all part of history.

7 Types of Cleaning Services You Can Offer Your Customers 7 Common Types Of Cleaning Services. Residential Cleaning Services. Commercial Cleaning Services. Janitorial Cleaning Services. Laundry and Dry Cleaning Services. Sanitization and Disinfection. Green Cleaning Services. Pressure Washing Services. 22 Jan 2021

Chemical is defined as something relating to chemistry or the use of a drug. An example of chemical smell is the odor of Lysol. An example of chemical is the dependency on cocaine or alcohol. adjective.

Biosensors are used in the food industry to measure carbohydrates, alcohols and acids, for example, during quality control processes. The devices may also be used to check fermentation during the production of beer, yoghurt and soft drinks.26 Feb 2019

Definition of education 1a : the action or process of educating or of being educated also : a stage of such a process. b : the knowledge and development resulting from the process of being educated a person of little education. 2 : the field of study that deals mainly with methods of teaching and learning in schools.

Definition of biological 1 : of or relating to biology or to life and living processes. 2 : used in or produced by applied biology. 3 : connected by direct genetic relationship rather than by adoption or marriage her biological father.6 Mar 2022

Classes of Biochemical Compounds Class Elements Examples Carbohydrates carbon hydrogen oxygen sugars starches cellulose Proteins carbon hydrogen oxygen nitrogen sulfur enzymes hormones Lipids carbon hydrogen oxygen fats oils Nucleic acids carbon hydrogen oxygen nitrogen phosphorus DNA RNA 19 Feb 2021

Telehealth is the use of digital information and communication technologies, such as computers and mobile devices, to access health care services remotely and manage your health care. These may be technologies you use from home or that your doctor uses to improve or support health care services.

The definition of artificial refers to something that is simulated or made by humans, not by nature. An example of the word artificial is flowers and plants which are made of plastic.

Remote work is the practice of employees doing their jobs from a location other than a central office operated by the employer. Such locations could include an employee's home, a co-working or other shared space, a private office, or any other place outside of the traditional corporate office building or campus.

However, the director revealed that the word "parasite" has a double meaning. Aside from describing the poor leeching money off the rich, the Park family is also a parasite. Without the ability to wash dishes or tidy their house, they use their money to exploit poor families with their cheap labour.10 Mar 2020